Home / 3,098.88-4,279.68-3,052.80

Finding the Fourth Proportional to 3,098.88, 4,279.68 and 3,052.80

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Solution

The fourth proportional to 3,098.88, 4,279.68 and 3,052.80 is: 4,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.88 : 4,279.68 = 3,052.80 : x
  2. Step 2: Convert to fraction form
    3,098.88/4,279.68 = 3,052.80/x
  3. Step 3: Cross multiply
    3,098.88x = 4,279.68 × 3,052.80
  4. Step 4: Simplify right side
    3,098.88x = 13,065,007.10
  5. Step 5: Solve for x
    x = 13,065,007.10/3,098.88
  6. Step 6: Final answer
    x = 4,216.04

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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.