Home / 2,339.20-3,512.32-1,559.68

Finding the Fourth Proportional to 2,339.20, 3,512.32 and 1,559.68

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Solution

The fourth proportional to 2,339.20, 3,512.32 and 1,559.68 is: 2,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.20 : 3,512.32 = 1,559.68 : x
  2. Step 2: Convert to fraction form
    2,339.20/3,512.32 = 1,559.68/x
  3. Step 3: Cross multiply
    2,339.20x = 3,512.32 × 1,559.68
  4. Step 4: Simplify right side
    2,339.20x = 5,478,095.26
  5. Step 5: Solve for x
    x = 5,478,095.26/2,339.20
  6. Step 6: Final answer
    x = 2,341.87

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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.