Home / 3,727.65-5,142.67-2,402.13

Finding the Fourth Proportional to 3,727.65, 5,142.67 and 2,402.13

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Solution

The fourth proportional to 3,727.65, 5,142.67 and 2,402.13 is: 3,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.65 : 5,142.67 = 2,402.13 : x
  2. Step 2: Convert to fraction form
    3,727.65/5,142.67 = 2,402.13/x
  3. Step 3: Cross multiply
    3,727.65x = 5,142.67 × 2,402.13
  4. Step 4: Simplify right side
    3,727.65x = 12,353,361.89
  5. Step 5: Solve for x
    x = 12,353,361.89/3,727.65
  6. Step 6: Final answer
    x = 3,313.98

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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.