Home / 2,951.32-4,427.88-1,003.72

Finding the Fourth Proportional to 2,951.32, 4,427.88 and 1,003.72

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Solution

The fourth proportional to 2,951.32, 4,427.88 and 1,003.72 is: 1,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.32 : 4,427.88 = 1,003.72 : x
  2. Step 2: Convert to fraction form
    2,951.32/4,427.88 = 1,003.72/x
  3. Step 3: Cross multiply
    2,951.32x = 4,427.88 × 1,003.72
  4. Step 4: Simplify right side
    2,951.32x = 4,444,351.71
  5. Step 5: Solve for x
    x = 4,444,351.71/2,951.32
  6. Step 6: Final answer
    x = 1,505.89

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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.