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Finding the Fourth Proportional to 3,191.77, 4,798.59 and 2,951.20

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Solution

The fourth proportional to 3,191.77, 4,798.59 and 2,951.20 is: 4,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.77 : 4,798.59 = 2,951.20 : x
  2. Step 2: Convert to fraction form
    3,191.77/4,798.59 = 2,951.20/x
  3. Step 3: Cross multiply
    3,191.77x = 4,798.59 × 2,951.20
  4. Step 4: Simplify right side
    3,191.77x = 14,161,610.34
  5. Step 5: Solve for x
    x = 14,161,610.34/3,191.77
  6. Step 6: Final answer
    x = 4,436.91

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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.