Home / 3,491.40-4,816.77-1,998.52

Finding the Fourth Proportional to 3,491.40, 4,816.77 and 1,998.52

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Solution

The fourth proportional to 3,491.40, 4,816.77 and 1,998.52 is: 2,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.40 : 4,816.77 = 1,998.52 : x
  2. Step 2: Convert to fraction form
    3,491.40/4,816.77 = 1,998.52/x
  3. Step 3: Cross multiply
    3,491.40x = 4,816.77 × 1,998.52
  4. Step 4: Simplify right side
    3,491.40x = 9,626,391.64
  5. Step 5: Solve for x
    x = 9,626,391.64/3,491.40
  6. Step 6: Final answer
    x = 2,757.17

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,492.40, 4,818.15 and 1,999.52
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.