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Finding the Fourth Proportional to 3,551.91, 5,327.88 and 954.84

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Solution

The fourth proportional to 3,551.91, 5,327.88 and 954.84 is: 1,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.91 : 5,327.88 = 954.84 : x
  2. Step 2: Convert to fraction form
    3,551.91/5,327.88 = 954.84/x
  3. Step 3: Cross multiply
    3,551.91x = 5,327.88 × 954.84
  4. Step 4: Simplify right side
    3,551.91x = 5,087,272.94
  5. Step 5: Solve for x
    x = 5,087,272.94/3,551.91
  6. Step 6: Final answer
    x = 1,432.26

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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.