Home / 1,337.40-1,845.30-1,044.90

Finding the Fourth Proportional to 1,337.40, 1,845.30 and 1,044.90

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Solution

The fourth proportional to 1,337.40, 1,845.30 and 1,044.90 is: 1,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.40 : 1,845.30 = 1,044.90 : x
  2. Step 2: Convert to fraction form
    1,337.40/1,845.30 = 1,044.90/x
  3. Step 3: Cross multiply
    1,337.40x = 1,845.30 × 1,044.90
  4. Step 4: Simplify right side
    1,337.40x = 1,928,153.97
  5. Step 5: Solve for x
    x = 1,928,153.97/1,337.40
  6. Step 6: Final answer
    x = 1,441.72

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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.