Home / 1,337.20-1,843.68-1,004.56

Finding the Fourth Proportional to 1,337.20, 1,843.68 and 1,004.56

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Solution

The fourth proportional to 1,337.20, 1,843.68 and 1,004.56 is: 1,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.20 : 1,843.68 = 1,004.56 : x
  2. Step 2: Convert to fraction form
    1,337.20/1,843.68 = 1,004.56/x
  3. Step 3: Cross multiply
    1,337.20x = 1,843.68 × 1,004.56
  4. Step 4: Simplify right side
    1,337.20x = 1,852,087.18
  5. Step 5: Solve for x
    x = 1,852,087.18/1,337.20
  6. Step 6: Final answer
    x = 1,385.05

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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.