Home / 3,451.48-4,763.02-1,879.56

Finding the Fourth Proportional to 3,451.48, 4,763.02 and 1,879.56

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Solution

The fourth proportional to 3,451.48, 4,763.02 and 1,879.56 is: 2,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.48 : 4,763.02 = 1,879.56 : x
  2. Step 2: Convert to fraction form
    3,451.48/4,763.02 = 1,879.56/x
  3. Step 3: Cross multiply
    3,451.48x = 4,763.02 × 1,879.56
  4. Step 4: Simplify right side
    3,451.48x = 8,952,381.87
  5. Step 5: Solve for x
    x = 8,952,381.87/3,451.48
  6. Step 6: Final answer
    x = 2,593.78

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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.