Home / 1,548.24-2,321.28-574.08

Finding the Fourth Proportional to 1,548.24, 2,321.28 and 574.08

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Solution

The fourth proportional to 1,548.24, 2,321.28 and 574.08 is: 860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.24 : 2,321.28 = 574.08 : x
  2. Step 2: Convert to fraction form
    1,548.24/2,321.28 = 574.08/x
  3. Step 3: Cross multiply
    1,548.24x = 2,321.28 × 574.08
  4. Step 4: Simplify right side
    1,548.24x = 1,332,600.42
  5. Step 5: Solve for x
    x = 1,332,600.42/1,548.24
  6. Step 6: Final answer
    x = 860.72

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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.