Home / 2,171.96-2,997.32-1,177.24

Finding the Fourth Proportional to 2,171.96, 2,997.32 and 1,177.24

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Solution

The fourth proportional to 2,171.96, 2,997.32 and 1,177.24 is: 1,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.96 : 2,997.32 = 1,177.24 : x
  2. Step 2: Convert to fraction form
    2,171.96/2,997.32 = 1,177.24/x
  3. Step 3: Cross multiply
    2,171.96x = 2,997.32 × 1,177.24
  4. Step 4: Simplify right side
    2,171.96x = 3,528,565.00
  5. Step 5: Solve for x
    x = 3,528,565.00/2,171.96
  6. Step 6: Final answer
    x = 1,624.60

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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.