Home / 2,708.92-4,063.58-1,147.40

Finding the Fourth Proportional to 2,708.92, 4,063.58 and 1,147.40

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Solution

The fourth proportional to 2,708.92, 4,063.58 and 1,147.40 is: 1,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.92 : 4,063.58 = 1,147.40 : x
  2. Step 2: Convert to fraction form
    2,708.92/4,063.58 = 1,147.40/x
  3. Step 3: Cross multiply
    2,708.92x = 4,063.58 × 1,147.40
  4. Step 4: Simplify right side
    2,708.92x = 4,662,551.69
  5. Step 5: Solve for x
    x = 4,662,551.69/2,708.92
  6. Step 6: Final answer
    x = 1,721.18

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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.