Home / 3,451.50-4,763.08-1,879.60

Finding the Fourth Proportional to 3,451.50, 4,763.08 and 1,879.60

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Solution

The fourth proportional to 3,451.50, 4,763.08 and 1,879.60 is: 2,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.50 : 4,763.08 = 1,879.60 : x
  2. Step 2: Convert to fraction form
    3,451.50/4,763.08 = 1,879.60/x
  3. Step 3: Cross multiply
    3,451.50x = 4,763.08 × 1,879.60
  4. Step 4: Simplify right side
    3,451.50x = 8,952,685.17
  5. Step 5: Solve for x
    x = 8,952,685.17/3,451.50
  6. Step 6: Final answer
    x = 2,593.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.