Home / 2,734.10-4,122.88-2,431.70

Finding the Fourth Proportional to 2,734.10, 4,122.88 and 2,431.70

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Solution

The fourth proportional to 2,734.10, 4,122.88 and 2,431.70 is: 3,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.10 : 4,122.88 = 2,431.70 : x
  2. Step 2: Convert to fraction form
    2,734.10/4,122.88 = 2,431.70/x
  3. Step 3: Cross multiply
    2,734.10x = 4,122.88 × 2,431.70
  4. Step 4: Simplify right side
    2,734.10x = 10,025,595.14
  5. Step 5: Solve for x
    x = 10,025,595.14/2,734.10
  6. Step 6: Final answer
    x = 3,666.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.