Home / 3,491.35-4,818.10-1,897.99

Finding the Fourth Proportional to 3,491.35, 4,818.10 and 1,897.99

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Solution

The fourth proportional to 3,491.35, 4,818.10 and 1,897.99 is: 2,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.35 : 4,818.10 = 1,897.99 : x
  2. Step 2: Convert to fraction form
    3,491.35/4,818.10 = 1,897.99/x
  3. Step 3: Cross multiply
    3,491.35x = 4,818.10 × 1,897.99
  4. Step 4: Simplify right side
    3,491.35x = 9,144,705.62
  5. Step 5: Solve for x
    x = 9,144,705.62/3,491.35
  6. Step 6: Final answer
    x = 2,619.25

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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.