Home / 3,007.89-4,147.02-2,503.71

Finding the Fourth Proportional to 3,007.89, 4,147.02 and 2,503.71

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Solution

The fourth proportional to 3,007.89, 4,147.02 and 2,503.71 is: 3,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.89 : 4,147.02 = 2,503.71 : x
  2. Step 2: Convert to fraction form
    3,007.89/4,147.02 = 2,503.71/x
  3. Step 3: Cross multiply
    3,007.89x = 4,147.02 × 2,503.71
  4. Step 4: Simplify right side
    3,007.89x = 10,382,935.44
  5. Step 5: Solve for x
    x = 10,382,935.44/3,007.89
  6. Step 6: Final answer
    x = 3,451.90

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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.