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Finding the Fourth Proportional to 2,411.48, 3,619.26 and 951.66

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Solution

The fourth proportional to 2,411.48, 3,619.26 and 951.66 is: 1,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.48 : 3,619.26 = 951.66 : x
  2. Step 2: Convert to fraction form
    2,411.48/3,619.26 = 951.66/x
  3. Step 3: Cross multiply
    2,411.48x = 3,619.26 × 951.66
  4. Step 4: Simplify right side
    2,411.48x = 3,444,304.97
  5. Step 5: Solve for x
    x = 3,444,304.97/2,411.48
  6. Step 6: Final answer
    x = 1,428.30

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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.