Home / 3,451.24-5,180.08-1,808.96

Finding the Fourth Proportional to 3,451.24, 5,180.08 and 1,808.96

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Solution

The fourth proportional to 3,451.24, 5,180.08 and 1,808.96 is: 2,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.24 : 5,180.08 = 1,808.96 : x
  2. Step 2: Convert to fraction form
    3,451.24/5,180.08 = 1,808.96/x
  3. Step 3: Cross multiply
    3,451.24x = 5,180.08 × 1,808.96
  4. Step 4: Simplify right side
    3,451.24x = 9,370,557.52
  5. Step 5: Solve for x
    x = 9,370,557.52/3,451.24
  6. Step 6: Final answer
    x = 2,715.13

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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.