Home / 3,943.07-5,440.83-2,264.55

Finding the Fourth Proportional to 3,943.07, 5,440.83 and 2,264.55

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Solution

The fourth proportional to 3,943.07, 5,440.83 and 2,264.55 is: 3,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.07 : 5,440.83 = 2,264.55 : x
  2. Step 2: Convert to fraction form
    3,943.07/5,440.83 = 2,264.55/x
  3. Step 3: Cross multiply
    3,943.07x = 5,440.83 × 2,264.55
  4. Step 4: Simplify right side
    3,943.07x = 12,321,031.58
  5. Step 5: Solve for x
    x = 12,321,031.58/3,943.07
  6. Step 6: Final answer
    x = 3,124.73

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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.