Home / 3,911.36-5,397.56-2,232.76

Finding the Fourth Proportional to 3,911.36, 5,397.56 and 2,232.76

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Solution

The fourth proportional to 3,911.36, 5,397.56 and 2,232.76 is: 3,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.36 : 5,397.56 = 2,232.76 : x
  2. Step 2: Convert to fraction form
    3,911.36/5,397.56 = 2,232.76/x
  3. Step 3: Cross multiply
    3,911.36x = 5,397.56 × 2,232.76
  4. Step 4: Simplify right side
    3,911.36x = 12,051,456.07
  5. Step 5: Solve for x
    x = 12,051,456.07/3,911.36
  6. Step 6: Final answer
    x = 3,081.14

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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.