Home / 2,849.70-3,933.66-2,449.76

Finding the Fourth Proportional to 2,849.70, 3,933.66 and 2,449.76

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Solution

The fourth proportional to 2,849.70, 3,933.66 and 2,449.76 is: 3,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.70 : 3,933.66 = 2,449.76 : x
  2. Step 2: Convert to fraction form
    2,849.70/3,933.66 = 2,449.76/x
  3. Step 3: Cross multiply
    2,849.70x = 3,933.66 × 2,449.76
  4. Step 4: Simplify right side
    2,849.70x = 9,636,532.76
  5. Step 5: Solve for x
    x = 9,636,532.76/2,849.70
  6. Step 6: Final answer
    x = 3,381.60

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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.