Home / 2,700.20-3,726.26-1,505.20

Finding the Fourth Proportional to 2,700.20, 3,726.26 and 1,505.20

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Solution

The fourth proportional to 2,700.20, 3,726.26 and 1,505.20 is: 2,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.20 : 3,726.26 = 1,505.20 : x
  2. Step 2: Convert to fraction form
    2,700.20/3,726.26 = 1,505.20/x
  3. Step 3: Cross multiply
    2,700.20x = 3,726.26 × 1,505.20
  4. Step 4: Simplify right side
    2,700.20x = 5,608,766.57
  5. Step 5: Solve for x
    x = 5,608,766.57/2,700.20
  6. Step 6: Final answer
    x = 2,077.17

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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.