Home / 2,126.52-3,189.24-587.52

Finding the Fourth Proportional to 2,126.52, 3,189.24 and 587.52

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Solution

The fourth proportional to 2,126.52, 3,189.24 and 587.52 is: 881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.52 : 3,189.24 = 587.52 : x
  2. Step 2: Convert to fraction form
    2,126.52/3,189.24 = 587.52/x
  3. Step 3: Cross multiply
    2,126.52x = 3,189.24 × 587.52
  4. Step 4: Simplify right side
    2,126.52x = 1,873,742.28
  5. Step 5: Solve for x
    x = 1,873,742.28/2,126.52
  6. Step 6: Final answer
    x = 881.13

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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.