Home / 3,618.28-5,427.81-1,152.52

Finding the Fourth Proportional to 3,618.28, 5,427.81 and 1,152.52

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Solution

The fourth proportional to 3,618.28, 5,427.81 and 1,152.52 is: 1,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.28 : 5,427.81 = 1,152.52 : x
  2. Step 2: Convert to fraction form
    3,618.28/5,427.81 = 1,152.52/x
  3. Step 3: Cross multiply
    3,618.28x = 5,427.81 × 1,152.52
  4. Step 4: Simplify right side
    3,618.28x = 6,255,659.58
  5. Step 5: Solve for x
    x = 6,255,659.58/3,618.28
  6. Step 6: Final answer
    x = 1,728.90

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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.