Home / 3,691.28-5,533.56-1,842.95

Finding the Fourth Proportional to 3,691.28, 5,533.56 and 1,842.95

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Solution

The fourth proportional to 3,691.28, 5,533.56 and 1,842.95 is: 2,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.28 : 5,533.56 = 1,842.95 : x
  2. Step 2: Convert to fraction form
    3,691.28/5,533.56 = 1,842.95/x
  3. Step 3: Cross multiply
    3,691.28x = 5,533.56 × 1,842.95
  4. Step 4: Simplify right side
    3,691.28x = 10,198,088.24
  5. Step 5: Solve for x
    x = 10,198,088.24/3,691.28
  6. Step 6: Final answer
    x = 2,762.75

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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.