Home / 2,967.20-4,451.76-1,020.64

Finding the Fourth Proportional to 2,967.20, 4,451.76 and 1,020.64

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Solution

The fourth proportional to 2,967.20, 4,451.76 and 1,020.64 is: 1,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.20 : 4,451.76 = 1,020.64 : x
  2. Step 2: Convert to fraction form
    2,967.20/4,451.76 = 1,020.64/x
  3. Step 3: Cross multiply
    2,967.20x = 4,451.76 × 1,020.64
  4. Step 4: Simplify right side
    2,967.20x = 4,543,644.33
  5. Step 5: Solve for x
    x = 4,543,644.33/2,967.20
  6. Step 6: Final answer
    x = 1,531.29

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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.