Home / 3,113.70-4,301.11-2,892.27

Finding the Fourth Proportional to 3,113.70, 4,301.11 and 2,892.27

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Solution

The fourth proportional to 3,113.70, 4,301.11 and 2,892.27 is: 3,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.70 : 4,301.11 = 2,892.27 : x
  2. Step 2: Convert to fraction form
    3,113.70/4,301.11 = 2,892.27/x
  3. Step 3: Cross multiply
    3,113.70x = 4,301.11 × 2,892.27
  4. Step 4: Simplify right side
    3,113.70x = 12,439,971.42
  5. Step 5: Solve for x
    x = 12,439,971.42/3,113.70
  6. Step 6: Final answer
    x = 3,995.24

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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.