Home / 3,364.14-4,642.50-1,872.12

Finding the Fourth Proportional to 3,364.14, 4,642.50 and 1,872.12

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Solution

The fourth proportional to 3,364.14, 4,642.50 and 1,872.12 is: 2,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.14 : 4,642.50 = 1,872.12 : x
  2. Step 2: Convert to fraction form
    3,364.14/4,642.50 = 1,872.12/x
  3. Step 3: Cross multiply
    3,364.14x = 4,642.50 × 1,872.12
  4. Step 4: Simplify right side
    3,364.14x = 8,691,317.10
  5. Step 5: Solve for x
    x = 8,691,317.10/3,364.14
  6. Step 6: Final answer
    x = 2,583.52

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Half scale
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Double scale
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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.