Home / 2,989.10-4,452.07-2,832.97

Finding the Fourth Proportional to 2,989.10, 4,452.07 and 2,832.97

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Solution

The fourth proportional to 2,989.10, 4,452.07 and 2,832.97 is: 4,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.10 : 4,452.07 = 2,832.97 : x
  2. Step 2: Convert to fraction form
    2,989.10/4,452.07 = 2,832.97/x
  3. Step 3: Cross multiply
    2,989.10x = 4,452.07 × 2,832.97
  4. Step 4: Simplify right side
    2,989.10x = 12,612,555.45
  5. Step 5: Solve for x
    x = 12,612,555.45/2,989.10
  6. Step 6: Final answer
    x = 4,219.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.