Home / 3,837.56-5,295.78-2,158.84

Finding the Fourth Proportional to 3,837.56, 5,295.78 and 2,158.84

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Solution

The fourth proportional to 3,837.56, 5,295.78 and 2,158.84 is: 2,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.56 : 5,295.78 = 2,158.84 : x
  2. Step 2: Convert to fraction form
    3,837.56/5,295.78 = 2,158.84/x
  3. Step 3: Cross multiply
    3,837.56x = 5,295.78 × 2,158.84
  4. Step 4: Simplify right side
    3,837.56x = 11,432,741.70
  5. Step 5: Solve for x
    x = 11,432,741.70/3,837.56
  6. Step 6: Final answer
    x = 2,979.17

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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.