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Finding the Fourth Proportional to 1,484.38, 2,046.36 and 959.50

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Solution

The fourth proportional to 1,484.38, 2,046.36 and 959.50 is: 1,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.38 : 2,046.36 = 959.50 : x
  2. Step 2: Convert to fraction form
    1,484.38/2,046.36 = 959.50/x
  3. Step 3: Cross multiply
    1,484.38x = 2,046.36 × 959.50
  4. Step 4: Simplify right side
    1,484.38x = 1,963,482.42
  5. Step 5: Solve for x
    x = 1,963,482.42/1,484.38
  6. Step 6: Final answer
    x = 1,322.76

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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.