Home / 3,726.12-5,142.29-2,465.00

Finding the Fourth Proportional to 3,726.12, 5,142.29 and 2,465.00

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Solution

The fourth proportional to 3,726.12, 5,142.29 and 2,465.00 is: 3,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.12 : 5,142.29 = 2,465.00 : x
  2. Step 2: Convert to fraction form
    3,726.12/5,142.29 = 2,465.00/x
  3. Step 3: Cross multiply
    3,726.12x = 5,142.29 × 2,465.00
  4. Step 4: Simplify right side
    3,726.12x = 12,675,706.81
  5. Step 5: Solve for x
    x = 12,675,706.81/3,726.12
  6. Step 6: Final answer
    x = 3,401.85

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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.