Home / 2,910.88-4,343.54-2,560.96

Finding the Fourth Proportional to 2,910.88, 4,343.54 and 2,560.96

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Solution

The fourth proportional to 2,910.88, 4,343.54 and 2,560.96 is: 3,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.88 : 4,343.54 = 2,560.96 : x
  2. Step 2: Convert to fraction form
    2,910.88/4,343.54 = 2,560.96/x
  3. Step 3: Cross multiply
    2,910.88x = 4,343.54 × 2,560.96
  4. Step 4: Simplify right side
    2,910.88x = 11,123,632.20
  5. Step 5: Solve for x
    x = 11,123,632.20/2,910.88
  6. Step 6: Final answer
    x = 3,821.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.