Home / 1,714.82-2,569.80-1,253.66

Finding the Fourth Proportional to 1,714.82, 2,569.80 and 1,253.66

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Solution

The fourth proportional to 1,714.82, 2,569.80 and 1,253.66 is: 1,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.82 : 2,569.80 = 1,253.66 : x
  2. Step 2: Convert to fraction form
    1,714.82/2,569.80 = 1,253.66/x
  3. Step 3: Cross multiply
    1,714.82x = 2,569.80 × 1,253.66
  4. Step 4: Simplify right side
    1,714.82x = 3,221,655.47
  5. Step 5: Solve for x
    x = 3,221,655.47/1,714.82
  6. Step 6: Final answer
    x = 1,878.71

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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.