Home / 3,617.91-5,425.23-1,277.19

Finding the Fourth Proportional to 3,617.91, 5,425.23 and 1,277.19

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Solution

The fourth proportional to 3,617.91, 5,425.23 and 1,277.19 is: 1,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.91 : 5,425.23 = 1,277.19 : x
  2. Step 2: Convert to fraction form
    3,617.91/5,425.23 = 1,277.19/x
  3. Step 3: Cross multiply
    3,617.91x = 5,425.23 × 1,277.19
  4. Step 4: Simplify right side
    3,617.91x = 6,929,049.50
  5. Step 5: Solve for x
    x = 6,929,049.50/3,617.91
  6. Step 6: Final answer
    x = 1,915.21

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.