Home / 2,708.89-4,062.53-1,148.87

Finding the Fourth Proportional to 2,708.89, 4,062.53 and 1,148.87

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Solution

The fourth proportional to 2,708.89, 4,062.53 and 1,148.87 is: 1,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.89 : 4,062.53 = 1,148.87 : x
  2. Step 2: Convert to fraction form
    2,708.89/4,062.53 = 1,148.87/x
  3. Step 3: Cross multiply
    2,708.89x = 4,062.53 × 1,148.87
  4. Step 4: Simplify right side
    2,708.89x = 4,667,331.87
  5. Step 5: Solve for x
    x = 4,667,331.87/2,708.89
  6. Step 6: Final answer
    x = 1,722.97

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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.