Home / 3,660.61-5,045.73-2,862.52

Finding the Fourth Proportional to 3,660.61, 5,045.73 and 2,862.52

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Solution

The fourth proportional to 3,660.61, 5,045.73 and 2,862.52 is: 3,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.61 : 5,045.73 = 2,862.52 : x
  2. Step 2: Convert to fraction form
    3,660.61/5,045.73 = 2,862.52/x
  3. Step 3: Cross multiply
    3,660.61x = 5,045.73 × 2,862.52
  4. Step 4: Simplify right side
    3,660.61x = 14,443,503.04
  5. Step 5: Solve for x
    x = 14,443,503.04/3,660.61
  6. Step 6: Final answer
    x = 3,945.65

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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.