Home / 1,060.27-1,590.62-512.15

Finding the Fourth Proportional to 1,060.27, 1,590.62 and 512.15

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Solution

The fourth proportional to 1,060.27, 1,590.62 and 512.15 is: 768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.27 : 1,590.62 = 512.15 : x
  2. Step 2: Convert to fraction form
    1,060.27/1,590.62 = 512.15/x
  3. Step 3: Cross multiply
    1,060.27x = 1,590.62 × 512.15
  4. Step 4: Simplify right side
    1,060.27x = 814,625.52
  5. Step 5: Solve for x
    x = 814,625.52/1,060.27
  6. Step 6: Final answer
    x = 768.32

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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.