Home / 3,219.52-4,442.66-1,874.92

Finding the Fourth Proportional to 3,219.52, 4,442.66 and 1,874.92

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Solution

The fourth proportional to 3,219.52, 4,442.66 and 1,874.92 is: 2,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.52 : 4,442.66 = 1,874.92 : x
  2. Step 2: Convert to fraction form
    3,219.52/4,442.66 = 1,874.92/x
  3. Step 3: Cross multiply
    3,219.52x = 4,442.66 × 1,874.92
  4. Step 4: Simplify right side
    3,219.52x = 8,329,632.09
  5. Step 5: Solve for x
    x = 8,329,632.09/3,219.52
  6. Step 6: Final answer
    x = 2,587.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.