Home / 3,160.92-4,363.56-2,113.68

Finding the Fourth Proportional to 3,160.92, 4,363.56 and 2,113.68

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Solution

The fourth proportional to 3,160.92, 4,363.56 and 2,113.68 is: 2,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.92 : 4,363.56 = 2,113.68 : x
  2. Step 2: Convert to fraction form
    3,160.92/4,363.56 = 2,113.68/x
  3. Step 3: Cross multiply
    3,160.92x = 4,363.56 × 2,113.68
  4. Step 4: Simplify right side
    3,160.92x = 9,223,169.50
  5. Step 5: Solve for x
    x = 9,223,169.50/3,160.92
  6. Step 6: Final answer
    x = 2,917.88

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1.5x scale

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.