Home / 2,950.42-4,419.48-1,391.74

Finding the Fourth Proportional to 2,950.42, 4,419.48 and 1,391.74

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Solution

The fourth proportional to 2,950.42, 4,419.48 and 1,391.74 is: 2,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.42 : 4,419.48 = 1,391.74 : x
  2. Step 2: Convert to fraction form
    2,950.42/4,419.48 = 1,391.74/x
  3. Step 3: Cross multiply
    2,950.42x = 4,419.48 × 1,391.74
  4. Step 4: Simplify right side
    2,950.42x = 6,150,767.10
  5. Step 5: Solve for x
    x = 6,150,767.10/2,950.42
  6. Step 6: Final answer
    x = 2,084.71

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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.