Home / 3,471.17-5,208.80-1,281.43

Finding the Fourth Proportional to 3,471.17, 5,208.80 and 1,281.43

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Solution

The fourth proportional to 3,471.17, 5,208.80 and 1,281.43 is: 1,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.17 : 5,208.80 = 1,281.43 : x
  2. Step 2: Convert to fraction form
    3,471.17/5,208.80 = 1,281.43/x
  3. Step 3: Cross multiply
    3,471.17x = 5,208.80 × 1,281.43
  4. Step 4: Simplify right side
    3,471.17x = 6,674,702.77
  5. Step 5: Solve for x
    x = 6,674,702.77/3,471.17
  6. Step 6: Final answer
    x = 1,922.90

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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.