Home / 2,432.06-3,647.78-1,115.44

Finding the Fourth Proportional to 2,432.06, 3,647.78 and 1,115.44

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Solution

The fourth proportional to 2,432.06, 3,647.78 and 1,115.44 is: 1,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.06 : 3,647.78 = 1,115.44 : x
  2. Step 2: Convert to fraction form
    2,432.06/3,647.78 = 1,115.44/x
  3. Step 3: Cross multiply
    2,432.06x = 3,647.78 × 1,115.44
  4. Step 4: Simplify right side
    2,432.06x = 4,068,879.72
  5. Step 5: Solve for x
    x = 4,068,879.72/2,432.06
  6. Step 6: Final answer
    x = 1,673.02

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1.5x scale

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.