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Finding the Fourth Proportional to 2,700.05, 3,726.21 and 1,505.06

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Solution

The fourth proportional to 2,700.05, 3,726.21 and 1,505.06 is: 2,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.05 : 3,726.21 = 1,505.06 : x
  2. Step 2: Convert to fraction form
    2,700.05/3,726.21 = 1,505.06/x
  3. Step 3: Cross multiply
    2,700.05x = 3,726.21 × 1,505.06
  4. Step 4: Simplify right side
    2,700.05x = 5,608,170.61
  5. Step 5: Solve for x
    x = 5,608,170.61/2,700.05
  6. Step 6: Final answer
    x = 2,077.07

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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.