Home / 2,942.50-4,403.17-2,160.56

Finding the Fourth Proportional to 2,942.50, 4,403.17 and 2,160.56

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Solution

The fourth proportional to 2,942.50, 4,403.17 and 2,160.56 is: 3,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.50 : 4,403.17 = 2,160.56 : x
  2. Step 2: Convert to fraction form
    2,942.50/4,403.17 = 2,160.56/x
  3. Step 3: Cross multiply
    2,942.50x = 4,403.17 × 2,160.56
  4. Step 4: Simplify right side
    2,942.50x = 9,513,314.30
  5. Step 5: Solve for x
    x = 9,513,314.30/2,942.50
  6. Step 6: Final answer
    x = 3,233.07

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1.5x scale

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.