Home / 2,174.89-3,001.32-1,180.16

Finding the Fourth Proportional to 2,174.89, 3,001.32 and 1,180.16

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Solution

The fourth proportional to 2,174.89, 3,001.32 and 1,180.16 is: 1,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.89 : 3,001.32 = 1,180.16 : x
  2. Step 2: Convert to fraction form
    2,174.89/3,001.32 = 1,180.16/x
  3. Step 3: Cross multiply
    2,174.89x = 3,001.32 × 1,180.16
  4. Step 4: Simplify right side
    2,174.89x = 3,542,037.81
  5. Step 5: Solve for x
    x = 3,542,037.81/2,174.89
  6. Step 6: Final answer
    x = 1,628.61

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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.