Home / 2,229.48-3,070.41-2,181.04

Finding the Fourth Proportional to 2,229.48, 3,070.41 and 2,181.04

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Solution

The fourth proportional to 2,229.48, 3,070.41 and 2,181.04 is: 3,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.48 : 3,070.41 = 2,181.04 : x
  2. Step 2: Convert to fraction form
    2,229.48/3,070.41 = 2,181.04/x
  3. Step 3: Cross multiply
    2,229.48x = 3,070.41 × 2,181.04
  4. Step 4: Simplify right side
    2,229.48x = 6,696,687.03
  5. Step 5: Solve for x
    x = 6,696,687.03/2,229.48
  6. Step 6: Final answer
    x = 3,003.70

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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.