Home / 2,742.59-4,114.40-1,426.97

Finding the Fourth Proportional to 2,742.59, 4,114.40 and 1,426.97

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Solution

The fourth proportional to 2,742.59, 4,114.40 and 1,426.97 is: 2,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.59 : 4,114.40 = 1,426.97 : x
  2. Step 2: Convert to fraction form
    2,742.59/4,114.40 = 1,426.97/x
  3. Step 3: Cross multiply
    2,742.59x = 4,114.40 × 1,426.97
  4. Step 4: Simplify right side
    2,742.59x = 5,871,108.36
  5. Step 5: Solve for x
    x = 5,871,108.36/2,742.59
  6. Step 6: Final answer
    x = 2,140.72

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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.