Home / 3,742.80-5,614.86-1,551.66

Finding the Fourth Proportional to 3,742.80, 5,614.86 and 1,551.66

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Solution

The fourth proportional to 3,742.80, 5,614.86 and 1,551.66 is: 2,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.80 : 5,614.86 = 1,551.66 : x
  2. Step 2: Convert to fraction form
    3,742.80/5,614.86 = 1,551.66/x
  3. Step 3: Cross multiply
    3,742.80x = 5,614.86 × 1,551.66
  4. Step 4: Simplify right side
    3,742.80x = 8,712,353.67
  5. Step 5: Solve for x
    x = 8,712,353.67/3,742.80
  6. Step 6: Final answer
    x = 2,327.76

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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.