Home / 2,127.60-3,191.20-588.56

Finding the Fourth Proportional to 2,127.60, 3,191.20 and 588.56

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Solution

The fourth proportional to 2,127.60, 3,191.20 and 588.56 is: 882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.60 : 3,191.20 = 588.56 : x
  2. Step 2: Convert to fraction form
    2,127.60/3,191.20 = 588.56/x
  3. Step 3: Cross multiply
    2,127.60x = 3,191.20 × 588.56
  4. Step 4: Simplify right side
    2,127.60x = 1,878,212.67
  5. Step 5: Solve for x
    x = 1,878,212.67/2,127.60
  6. Step 6: Final answer
    x = 882.78

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1.5x scale

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.