Home / 1,629.39-2,248.41-966.13

Finding the Fourth Proportional to 1,629.39, 2,248.41 and 966.13

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Solution

The fourth proportional to 1,629.39, 2,248.41 and 966.13 is: 1,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.39 : 2,248.41 = 966.13 : x
  2. Step 2: Convert to fraction form
    1,629.39/2,248.41 = 966.13/x
  3. Step 3: Cross multiply
    1,629.39x = 2,248.41 × 966.13
  4. Step 4: Simplify right side
    1,629.39x = 2,172,256.35
  5. Step 5: Solve for x
    x = 2,172,256.35/1,629.39
  6. Step 6: Final answer
    x = 1,333.17

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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.