Home / 2,223.28-3,335-1,124.56

Finding the Fourth Proportional to 2,223.28, 3,335 and 1,124.56

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Solution

The fourth proportional to 2,223.28, 3,335 and 1,124.56 is: 1,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.28 : 3,335 = 1,124.56 : x
  2. Step 2: Convert to fraction form
    2,223.28/3,335 = 1,124.56/x
  3. Step 3: Cross multiply
    2,223.28x = 3,335 × 1,124.56
  4. Step 4: Simplify right side
    2,223.28x = 3,750,407.60
  5. Step 5: Solve for x
    x = 3,750,407.60/2,223.28
  6. Step 6: Final answer
    x = 1,686.88

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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.