Home / 2,949.68-4,421.64-1,306.64

Finding the Fourth Proportional to 2,949.68, 4,421.64 and 1,306.64

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Solution

The fourth proportional to 2,949.68, 4,421.64 and 1,306.64 is: 1,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.68 : 4,421.64 = 1,306.64 : x
  2. Step 2: Convert to fraction form
    2,949.68/4,421.64 = 1,306.64/x
  3. Step 3: Cross multiply
    2,949.68x = 4,421.64 × 1,306.64
  4. Step 4: Simplify right side
    2,949.68x = 5,777,491.69
  5. Step 5: Solve for x
    x = 5,777,491.69/2,949.68
  6. Step 6: Final answer
    x = 1,958.68

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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.