Home / 3,560.70-4,912.92-2,143.90

Finding the Fourth Proportional to 3,560.70, 4,912.92 and 2,143.90

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Solution

The fourth proportional to 3,560.70, 4,912.92 and 2,143.90 is: 2,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.70 : 4,912.92 = 2,143.90 : x
  2. Step 2: Convert to fraction form
    3,560.70/4,912.92 = 2,143.90/x
  3. Step 3: Cross multiply
    3,560.70x = 4,912.92 × 2,143.90
  4. Step 4: Simplify right side
    3,560.70x = 10,532,809.19
  5. Step 5: Solve for x
    x = 10,532,809.19/3,560.70
  6. Step 6: Final answer
    x = 2,958.07

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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.