Home / 2,949.40-4,419.18-1,560.76

Finding the Fourth Proportional to 2,949.40, 4,419.18 and 1,560.76

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Solution

The fourth proportional to 2,949.40, 4,419.18 and 1,560.76 is: 2,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.40 : 4,419.18 = 1,560.76 : x
  2. Step 2: Convert to fraction form
    2,949.40/4,419.18 = 1,560.76/x
  3. Step 3: Cross multiply
    2,949.40x = 4,419.18 × 1,560.76
  4. Step 4: Simplify right side
    2,949.40x = 6,897,279.38
  5. Step 5: Solve for x
    x = 6,897,279.38/2,949.40
  6. Step 6: Final answer
    x = 2,338.54

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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.