Home / 1,714.83-2,570.09-1,129.47

Finding the Fourth Proportional to 1,714.83, 2,570.09 and 1,129.47

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Solution

The fourth proportional to 1,714.83, 2,570.09 and 1,129.47 is: 1,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.83 : 2,570.09 = 1,129.47 : x
  2. Step 2: Convert to fraction form
    1,714.83/2,570.09 = 1,129.47/x
  3. Step 3: Cross multiply
    1,714.83x = 2,570.09 × 1,129.47
  4. Step 4: Simplify right side
    1,714.83x = 2,902,833.90
  5. Step 5: Solve for x
    x = 2,902,833.90/1,714.83
  6. Step 6: Final answer
    x = 1,692.78

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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.