Home / 1,742.45-2,613.31-1,451.82

Finding the Fourth Proportional to 1,742.45, 2,613.31 and 1,451.82

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Solution

The fourth proportional to 1,742.45, 2,613.31 and 1,451.82 is: 2,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.45 : 2,613.31 = 1,451.82 : x
  2. Step 2: Convert to fraction form
    1,742.45/2,613.31 = 1,451.82/x
  3. Step 3: Cross multiply
    1,742.45x = 2,613.31 × 1,451.82
  4. Step 4: Simplify right side
    1,742.45x = 3,794,052.09
  5. Step 5: Solve for x
    x = 3,794,052.09/1,742.45
  6. Step 6: Final answer
    x = 2,177.43

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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.