Home / 3,374.28-5,061.36-1,065.78

Finding the Fourth Proportional to 3,374.28, 5,061.36 and 1,065.78

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Solution

The fourth proportional to 3,374.28, 5,061.36 and 1,065.78 is: 1,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.28 : 5,061.36 = 1,065.78 : x
  2. Step 2: Convert to fraction form
    3,374.28/5,061.36 = 1,065.78/x
  3. Step 3: Cross multiply
    3,374.28x = 5,061.36 × 1,065.78
  4. Step 4: Simplify right side
    3,374.28x = 5,394,296.26
  5. Step 5: Solve for x
    x = 5,394,296.26/3,374.28
  6. Step 6: Final answer
    x = 1,598.65

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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.