Home / 3,836.70-5,292.18-2,343.78

Finding the Fourth Proportional to 3,836.70, 5,292.18 and 2,343.78

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Solution

The fourth proportional to 3,836.70, 5,292.18 and 2,343.78 is: 3,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.70 : 5,292.18 = 2,343.78 : x
  2. Step 2: Convert to fraction form
    3,836.70/5,292.18 = 2,343.78/x
  3. Step 3: Cross multiply
    3,836.70x = 5,292.18 × 2,343.78
  4. Step 4: Simplify right side
    3,836.70x = 12,403,705.64
  5. Step 5: Solve for x
    x = 12,403,705.64/3,836.70
  6. Step 6: Final answer
    x = 3,232.91

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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.