Home / 2,180.56-3,009.04-1,249.04

Finding the Fourth Proportional to 2,180.56, 3,009.04 and 1,249.04

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Solution

The fourth proportional to 2,180.56, 3,009.04 and 1,249.04 is: 1,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.56 : 3,009.04 = 1,249.04 : x
  2. Step 2: Convert to fraction form
    2,180.56/3,009.04 = 1,249.04/x
  3. Step 3: Cross multiply
    2,180.56x = 3,009.04 × 1,249.04
  4. Step 4: Simplify right side
    2,180.56x = 3,758,411.32
  5. Step 5: Solve for x
    x = 3,758,411.32/2,180.56
  6. Step 6: Final answer
    x = 1,723.60

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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.