Home / 2,951.12-4,072.66-1,624.88

Finding the Fourth Proportional to 2,951.12, 4,072.66 and 1,624.88

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Solution

The fourth proportional to 2,951.12, 4,072.66 and 1,624.88 is: 2,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.12 : 4,072.66 = 1,624.88 : x
  2. Step 2: Convert to fraction form
    2,951.12/4,072.66 = 1,624.88/x
  3. Step 3: Cross multiply
    2,951.12x = 4,072.66 × 1,624.88
  4. Step 4: Simplify right side
    2,951.12x = 6,617,589.90
  5. Step 5: Solve for x
    x = 6,617,589.90/2,951.12
  6. Step 6: Final answer
    x = 2,242.40

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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.