Home / 1,229.59-1,842.35-1,102.55

Finding the Fourth Proportional to 1,229.59, 1,842.35 and 1,102.55

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Solution

The fourth proportional to 1,229.59, 1,842.35 and 1,102.55 is: 1,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.59 : 1,842.35 = 1,102.55 : x
  2. Step 2: Convert to fraction form
    1,229.59/1,842.35 = 1,102.55/x
  3. Step 3: Cross multiply
    1,229.59x = 1,842.35 × 1,102.55
  4. Step 4: Simplify right side
    1,229.59x = 2,031,282.99
  5. Step 5: Solve for x
    x = 2,031,282.99/1,229.59
  6. Step 6: Final answer
    x = 1,652.01

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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.