Home / 3,445.11-4,752.32-2,118.56

Finding the Fourth Proportional to 3,445.11, 4,752.32 and 2,118.56

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Solution

The fourth proportional to 3,445.11, 4,752.32 and 2,118.56 is: 2,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.11 : 4,752.32 = 2,118.56 : x
  2. Step 2: Convert to fraction form
    3,445.11/4,752.32 = 2,118.56/x
  3. Step 3: Cross multiply
    3,445.11x = 4,752.32 × 2,118.56
  4. Step 4: Simplify right side
    3,445.11x = 10,068,052.62
  5. Step 5: Solve for x
    x = 10,068,052.62/3,445.11
  6. Step 6: Final answer
    x = 2,922.42

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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.