Home / 2,708.55-4,063.64-1,147.76

Finding the Fourth Proportional to 2,708.55, 4,063.64 and 1,147.76

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Solution

The fourth proportional to 2,708.55, 4,063.64 and 1,147.76 is: 1,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.55 : 4,063.64 = 1,147.76 : x
  2. Step 2: Convert to fraction form
    2,708.55/4,063.64 = 1,147.76/x
  3. Step 3: Cross multiply
    2,708.55x = 4,063.64 × 1,147.76
  4. Step 4: Simplify right side
    2,708.55x = 4,664,057.39
  5. Step 5: Solve for x
    x = 4,664,057.39/2,708.55
  6. Step 6: Final answer
    x = 1,721.98

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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.