Home / 2,734.66-3,773.87-1,555.71

Finding the Fourth Proportional to 2,734.66, 3,773.87 and 1,555.71

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Solution

The fourth proportional to 2,734.66, 3,773.87 and 1,555.71 is: 2,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.66 : 3,773.87 = 1,555.71 : x
  2. Step 2: Convert to fraction form
    2,734.66/3,773.87 = 1,555.71/x
  3. Step 3: Cross multiply
    2,734.66x = 3,773.87 × 1,555.71
  4. Step 4: Simplify right side
    2,734.66x = 5,871,047.30
  5. Step 5: Solve for x
    x = 5,871,047.30/2,734.66
  6. Step 6: Final answer
    x = 2,146.90

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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.