Home / 1,573.18-2,356.54-748.96

Finding the Fourth Proportional to 1,573.18, 2,356.54 and 748.96

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Solution

The fourth proportional to 1,573.18, 2,356.54 and 748.96 is: 1,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.18 : 2,356.54 = 748.96 : x
  2. Step 2: Convert to fraction form
    1,573.18/2,356.54 = 748.96/x
  3. Step 3: Cross multiply
    1,573.18x = 2,356.54 × 748.96
  4. Step 4: Simplify right side
    1,573.18x = 1,764,954.20
  5. Step 5: Solve for x
    x = 1,764,954.20/1,573.18
  6. Step 6: Final answer
    x = 1,121.90

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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.