Home / 2,432.16-3,648.96-788.80

Finding the Fourth Proportional to 2,432.16, 3,648.96 and 788.80

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Solution

The fourth proportional to 2,432.16, 3,648.96 and 788.80 is: 1,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.16 : 3,648.96 = 788.80 : x
  2. Step 2: Convert to fraction form
    2,432.16/3,648.96 = 788.80/x
  3. Step 3: Cross multiply
    2,432.16x = 3,648.96 × 788.80
  4. Step 4: Simplify right side
    2,432.16x = 2,878,299.65
  5. Step 5: Solve for x
    x = 2,878,299.65/2,432.16
  6. Step 6: Final answer
    x = 1,183.43

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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.