Home / 1,985.52-2,977.38-1,060.92

Finding the Fourth Proportional to 1,985.52, 2,977.38 and 1,060.92

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Solution

The fourth proportional to 1,985.52, 2,977.38 and 1,060.92 is: 1,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.52 : 2,977.38 = 1,060.92 : x
  2. Step 2: Convert to fraction form
    1,985.52/2,977.38 = 1,060.92/x
  3. Step 3: Cross multiply
    1,985.52x = 2,977.38 × 1,060.92
  4. Step 4: Simplify right side
    1,985.52x = 3,158,761.99
  5. Step 5: Solve for x
    x = 3,158,761.99/1,985.52
  6. Step 6: Final answer
    x = 1,590.90

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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.