Home / 2,358.78-3,538.98-1,060.80

Finding the Fourth Proportional to 2,358.78, 3,538.98 and 1,060.80

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Solution

The fourth proportional to 2,358.78, 3,538.98 and 1,060.80 is: 1,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.78 : 3,538.98 = 1,060.80 : x
  2. Step 2: Convert to fraction form
    2,358.78/3,538.98 = 1,060.80/x
  3. Step 3: Cross multiply
    2,358.78x = 3,538.98 × 1,060.80
  4. Step 4: Simplify right side
    2,358.78x = 3,754,149.98
  5. Step 5: Solve for x
    x = 3,754,149.98/2,358.78
  6. Step 6: Final answer
    x = 1,591.56

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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.