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Finding the Fourth Proportional to 3,310.08, 4,965.89 and 970.13

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Solution

The fourth proportional to 3,310.08, 4,965.89 and 970.13 is: 1,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.08 : 4,965.89 = 970.13 : x
  2. Step 2: Convert to fraction form
    3,310.08/4,965.89 = 970.13/x
  3. Step 3: Cross multiply
    3,310.08x = 4,965.89 × 970.13
  4. Step 4: Simplify right side
    3,310.08x = 4,817,543.95
  5. Step 5: Solve for x
    x = 4,817,543.95/3,310.08
  6. Step 6: Final answer
    x = 1,455.42

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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.