Home / 3,472.12-5,208.72-1,283.92

Finding the Fourth Proportional to 3,472.12, 5,208.72 and 1,283.92

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Solution

The fourth proportional to 3,472.12, 5,208.72 and 1,283.92 is: 1,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.12 : 5,208.72 = 1,283.92 : x
  2. Step 2: Convert to fraction form
    3,472.12/5,208.72 = 1,283.92/x
  3. Step 3: Cross multiply
    3,472.12x = 5,208.72 × 1,283.92
  4. Step 4: Simplify right side
    3,472.12x = 6,687,579.78
  5. Step 5: Solve for x
    x = 6,687,579.78/3,472.12
  6. Step 6: Final answer
    x = 1,926.08

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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.