Home / 3,219.90-4,442.49-2,341.86

Finding the Fourth Proportional to 3,219.90, 4,442.49 and 2,341.86

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Solution

The fourth proportional to 3,219.90, 4,442.49 and 2,341.86 is: 3,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.90 : 4,442.49 = 2,341.86 : x
  2. Step 2: Convert to fraction form
    3,219.90/4,442.49 = 2,341.86/x
  3. Step 3: Cross multiply
    3,219.90x = 4,442.49 × 2,341.86
  4. Step 4: Simplify right side
    3,219.90x = 10,403,689.63
  5. Step 5: Solve for x
    x = 10,403,689.63/3,219.90
  6. Step 6: Final answer
    x = 3,231.06

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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.