Home / 3,742.40-5,625.91-3,127.31

Finding the Fourth Proportional to 3,742.40, 5,625.91 and 3,127.31

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Solution

The fourth proportional to 3,742.40, 5,625.91 and 3,127.31 is: 4,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.40 : 5,625.91 = 3,127.31 : x
  2. Step 2: Convert to fraction form
    3,742.40/5,625.91 = 3,127.31/x
  3. Step 3: Cross multiply
    3,742.40x = 5,625.91 × 3,127.31
  4. Step 4: Simplify right side
    3,742.40x = 17,593,943.89
  5. Step 5: Solve for x
    x = 17,593,943.89/3,742.40
  6. Step 6: Final answer
    x = 4,701.24

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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.