Home / 1,301.52-1,795.32-1,126.56

Finding the Fourth Proportional to 1,301.52, 1,795.32 and 1,126.56

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Solution

The fourth proportional to 1,301.52, 1,795.32 and 1,126.56 is: 1,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.52 : 1,795.32 = 1,126.56 : x
  2. Step 2: Convert to fraction form
    1,301.52/1,795.32 = 1,126.56/x
  3. Step 3: Cross multiply
    1,301.52x = 1,795.32 × 1,126.56
  4. Step 4: Simplify right side
    1,301.52x = 2,022,535.70
  5. Step 5: Solve for x
    x = 2,022,535.70/1,301.52
  6. Step 6: Final answer
    x = 1,553.98

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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.