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Finding the Fourth Proportional to 1,463.39, 2,017.95 and 965.39

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Solution

The fourth proportional to 1,463.39, 2,017.95 and 965.39 is: 1,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.39 : 2,017.95 = 965.39 : x
  2. Step 2: Convert to fraction form
    1,463.39/2,017.95 = 965.39/x
  3. Step 3: Cross multiply
    1,463.39x = 2,017.95 × 965.39
  4. Step 4: Simplify right side
    1,463.39x = 1,948,098.66
  5. Step 5: Solve for x
    x = 1,948,098.66/1,463.39
  6. Step 6: Final answer
    x = 1,331.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.