Home / 3,294.90-4,555.71-2,879.91

Finding the Fourth Proportional to 3,294.90, 4,555.71 and 2,879.91

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Solution

The fourth proportional to 3,294.90, 4,555.71 and 2,879.91 is: 3,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.90 : 4,555.71 = 2,879.91 : x
  2. Step 2: Convert to fraction form
    3,294.90/4,555.71 = 2,879.91/x
  3. Step 3: Cross multiply
    3,294.90x = 4,555.71 × 2,879.91
  4. Step 4: Simplify right side
    3,294.90x = 13,120,034.79
  5. Step 5: Solve for x
    x = 13,120,034.79/3,294.90
  6. Step 6: Final answer
    x = 3,981.92

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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.