Home / 3,200.03-4,800.45-1,251.98

Finding the Fourth Proportional to 3,200.03, 4,800.45 and 1,251.98

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Solution

The fourth proportional to 3,200.03, 4,800.45 and 1,251.98 is: 1,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.03 : 4,800.45 = 1,251.98 : x
  2. Step 2: Convert to fraction form
    3,200.03/4,800.45 = 1,251.98/x
  3. Step 3: Cross multiply
    3,200.03x = 4,800.45 × 1,251.98
  4. Step 4: Simplify right side
    3,200.03x = 6,010,061.13
  5. Step 5: Solve for x
    x = 6,010,061.13/3,200.03
  6. Step 6: Final answer
    x = 1,878.13

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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.