Home / 2,711.20-4,066.32-1,250.20

Finding the Fourth Proportional to 2,711.20, 4,066.32 and 1,250.20

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Solution

The fourth proportional to 2,711.20, 4,066.32 and 1,250.20 is: 1,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.20 : 4,066.32 = 1,250.20 : x
  2. Step 2: Convert to fraction form
    2,711.20/4,066.32 = 1,250.20/x
  3. Step 3: Cross multiply
    2,711.20x = 4,066.32 × 1,250.20
  4. Step 4: Simplify right side
    2,711.20x = 5,083,713.26
  5. Step 5: Solve for x
    x = 5,083,713.26/2,711.20
  6. Step 6: Final answer
    x = 1,875.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.