Home / 2,950.18-4,423.74-869.92

Finding the Fourth Proportional to 2,950.18, 4,423.74 and 869.92

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Solution

The fourth proportional to 2,950.18, 4,423.74 and 869.92 is: 1,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.18 : 4,423.74 = 869.92 : x
  2. Step 2: Convert to fraction form
    2,950.18/4,423.74 = 869.92/x
  3. Step 3: Cross multiply
    2,950.18x = 4,423.74 × 869.92
  4. Step 4: Simplify right side
    2,950.18x = 3,848,299.90
  5. Step 5: Solve for x
    x = 3,848,299.90/2,950.18
  6. Step 6: Final answer
    x = 1,304.43

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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.