Home / 2,750.39-4,147.16-2,520.76

Finding the Fourth Proportional to 2,750.39, 4,147.16 and 2,520.76

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Solution

The fourth proportional to 2,750.39, 4,147.16 and 2,520.76 is: 3,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.39 : 4,147.16 = 2,520.76 : x
  2. Step 2: Convert to fraction form
    2,750.39/4,147.16 = 2,520.76/x
  3. Step 3: Cross multiply
    2,750.39x = 4,147.16 × 2,520.76
  4. Step 4: Simplify right side
    2,750.39x = 10,453,995.04
  5. Step 5: Solve for x
    x = 10,453,995.04/2,750.39
  6. Step 6: Final answer
    x = 3,800.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.