Home / 2,432.14-3,648.30-788.70

Finding the Fourth Proportional to 2,432.14, 3,648.30 and 788.70

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Solution

The fourth proportional to 2,432.14, 3,648.30 and 788.70 is: 1,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.14 : 3,648.30 = 788.70 : x
  2. Step 2: Convert to fraction form
    2,432.14/3,648.30 = 788.70/x
  3. Step 3: Cross multiply
    2,432.14x = 3,648.30 × 788.70
  4. Step 4: Simplify right side
    2,432.14x = 2,877,418.09
  5. Step 5: Solve for x
    x = 2,877,418.09/2,432.14
  6. Step 6: Final answer
    x = 1,183.08

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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.