Home / 2,920.96-4,377.39-1,531.54

Finding the Fourth Proportional to 2,920.96, 4,377.39 and 1,531.54

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Solution

The fourth proportional to 2,920.96, 4,377.39 and 1,531.54 is: 2,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.96 : 4,377.39 = 1,531.54 : x
  2. Step 2: Convert to fraction form
    2,920.96/4,377.39 = 1,531.54/x
  3. Step 3: Cross multiply
    2,920.96x = 4,377.39 × 1,531.54
  4. Step 4: Simplify right side
    2,920.96x = 6,704,147.88
  5. Step 5: Solve for x
    x = 6,704,147.88/2,920.96
  6. Step 6: Final answer
    x = 2,295.19

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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.