Home / 3,257.46-4,865.09-2,820.06

Finding the Fourth Proportional to 3,257.46, 4,865.09 and 2,820.06

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Solution

The fourth proportional to 3,257.46, 4,865.09 and 2,820.06 is: 4,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.46 : 4,865.09 = 2,820.06 : x
  2. Step 2: Convert to fraction form
    3,257.46/4,865.09 = 2,820.06/x
  3. Step 3: Cross multiply
    3,257.46x = 4,865.09 × 2,820.06
  4. Step 4: Simplify right side
    3,257.46x = 13,719,831.61
  5. Step 5: Solve for x
    x = 13,719,831.61/3,257.46
  6. Step 6: Final answer
    x = 4,211.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.