Home / 3,718.52-5,131.36-2,225.56

Finding the Fourth Proportional to 3,718.52, 5,131.36 and 2,225.56

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Solution

The fourth proportional to 3,718.52, 5,131.36 and 2,225.56 is: 3,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.52 : 5,131.36 = 2,225.56 : x
  2. Step 2: Convert to fraction form
    3,718.52/5,131.36 = 2,225.56/x
  3. Step 3: Cross multiply
    3,718.52x = 5,131.36 × 2,225.56
  4. Step 4: Simplify right side
    3,718.52x = 11,420,149.56
  5. Step 5: Solve for x
    x = 11,420,149.56/3,718.52
  6. Step 6: Final answer
    x = 3,071.15

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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.