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Finding the Fourth Proportional to 1,966.23, 2,949.35 and 732.20

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Solution

The fourth proportional to 1,966.23, 2,949.35 and 732.20 is: 1,098.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.23 : 2,949.35 = 732.20 : x
  2. Step 2: Convert to fraction form
    1,966.23/2,949.35 = 732.20/x
  3. Step 3: Cross multiply
    1,966.23x = 2,949.35 × 732.20
  4. Step 4: Simplify right side
    1,966.23x = 2,159,495.66
  5. Step 5: Solve for x
    x = 2,159,495.66/1,966.23
  6. Step 6: Final answer
    x = 1,098.29

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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.