Home / 2,617.29-3,925.62-743.22

Finding the Fourth Proportional to 2,617.29, 3,925.62 and 743.22

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Solution

The fourth proportional to 2,617.29, 3,925.62 and 743.22 is: 1,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.29 : 3,925.62 = 743.22 : x
  2. Step 2: Convert to fraction form
    2,617.29/3,925.62 = 743.22/x
  3. Step 3: Cross multiply
    2,617.29x = 3,925.62 × 743.22
  4. Step 4: Simplify right side
    2,617.29x = 2,917,599.30
  5. Step 5: Solve for x
    x = 2,917,599.30/2,617.29
  6. Step 6: Final answer
    x = 1,114.74

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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.