Home / 3,080.67-4,256.15-2,928.95

Finding the Fourth Proportional to 3,080.67, 4,256.15 and 2,928.95

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Solution

The fourth proportional to 3,080.67, 4,256.15 and 2,928.95 is: 4,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.67 : 4,256.15 = 2,928.95 : x
  2. Step 2: Convert to fraction form
    3,080.67/4,256.15 = 2,928.95/x
  3. Step 3: Cross multiply
    3,080.67x = 4,256.15 × 2,928.95
  4. Step 4: Simplify right side
    3,080.67x = 12,466,029.26
  5. Step 5: Solve for x
    x = 12,466,029.26/3,080.67
  6. Step 6: Final answer
    x = 4,046.53

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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.