Home / 2,476.40-3,712.29-1,242.37

Finding the Fourth Proportional to 2,476.40, 3,712.29 and 1,242.37

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Solution

The fourth proportional to 2,476.40, 3,712.29 and 1,242.37 is: 1,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.40 : 3,712.29 = 1,242.37 : x
  2. Step 2: Convert to fraction form
    2,476.40/3,712.29 = 1,242.37/x
  3. Step 3: Cross multiply
    2,476.40x = 3,712.29 × 1,242.37
  4. Step 4: Simplify right side
    2,476.40x = 4,612,019.17
  5. Step 5: Solve for x
    x = 4,612,019.17/2,476.40
  6. Step 6: Final answer
    x = 1,862.39

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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.