Home / 3,911.27-5,397.59-2,232.75

Finding the Fourth Proportional to 3,911.27, 5,397.59 and 2,232.75

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Solution

The fourth proportional to 3,911.27, 5,397.59 and 2,232.75 is: 3,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.27 : 5,397.59 = 2,232.75 : x
  2. Step 2: Convert to fraction form
    3,911.27/5,397.59 = 2,232.75/x
  3. Step 3: Cross multiply
    3,911.27x = 5,397.59 × 2,232.75
  4. Step 4: Simplify right side
    3,911.27x = 12,051,457.91
  5. Step 5: Solve for x
    x = 12,051,457.91/3,911.27
  6. Step 6: Final answer
    x = 3,081.22

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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.