Home / 3,454.93-4,767.21-3,279.79

Finding the Fourth Proportional to 3,454.93, 4,767.21 and 3,279.79

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Solution

The fourth proportional to 3,454.93, 4,767.21 and 3,279.79 is: 4,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.93 : 4,767.21 = 3,279.79 : x
  2. Step 2: Convert to fraction form
    3,454.93/4,767.21 = 3,279.79/x
  3. Step 3: Cross multiply
    3,454.93x = 4,767.21 × 3,279.79
  4. Step 4: Simplify right side
    3,454.93x = 15,635,447.69
  5. Step 5: Solve for x
    x = 15,635,447.69/3,454.93
  6. Step 6: Final answer
    x = 4,525.55

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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.