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Finding the Fourth Proportional to 3,568.59, 5,352.21 and 970.92

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Solution

The fourth proportional to 3,568.59, 5,352.21 and 970.92 is: 1,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.59 : 5,352.21 = 970.92 : x
  2. Step 2: Convert to fraction form
    3,568.59/5,352.21 = 970.92/x
  3. Step 3: Cross multiply
    3,568.59x = 5,352.21 × 970.92
  4. Step 4: Simplify right side
    3,568.59x = 5,196,567.73
  5. Step 5: Solve for x
    x = 5,196,567.73/3,568.59
  6. Step 6: Final answer
    x = 1,456.20

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1.5x scale

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.