Home / 1,332.14-1,999.49-1,248.30

Finding the Fourth Proportional to 1,332.14, 1,999.49 and 1,248.30

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Solution

The fourth proportional to 1,332.14, 1,999.49 and 1,248.30 is: 1,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.14 : 1,999.49 = 1,248.30 : x
  2. Step 2: Convert to fraction form
    1,332.14/1,999.49 = 1,248.30/x
  3. Step 3: Cross multiply
    1,332.14x = 1,999.49 × 1,248.30
  4. Step 4: Simplify right side
    1,332.14x = 2,495,963.37
  5. Step 5: Solve for x
    x = 2,495,963.37/1,332.14
  6. Step 6: Final answer
    x = 1,873.65

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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.