Home / 3,200.13-4,800.34-1,252.79

Finding the Fourth Proportional to 3,200.13, 4,800.34 and 1,252.79

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Solution

The fourth proportional to 3,200.13, 4,800.34 and 1,252.79 is: 1,879.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.13 : 4,800.34 = 1,252.79 : x
  2. Step 2: Convert to fraction form
    3,200.13/4,800.34 = 1,252.79/x
  3. Step 3: Cross multiply
    3,200.13x = 4,800.34 × 1,252.79
  4. Step 4: Simplify right side
    3,200.13x = 6,013,817.95
  5. Step 5: Solve for x
    x = 6,013,817.95/3,200.13
  6. Step 6: Final answer
    x = 1,879.24

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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.