Home / 3,837.41-5,295.48-2,158.91

Finding the Fourth Proportional to 3,837.41, 5,295.48 and 2,158.91

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Solution

The fourth proportional to 3,837.41, 5,295.48 and 2,158.91 is: 2,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.41 : 5,295.48 = 2,158.91 : x
  2. Step 2: Convert to fraction form
    3,837.41/5,295.48 = 2,158.91/x
  3. Step 3: Cross multiply
    3,837.41x = 5,295.48 × 2,158.91
  4. Step 4: Simplify right side
    3,837.41x = 11,432,438.25
  5. Step 5: Solve for x
    x = 11,432,438.25/3,837.41
  6. Step 6: Final answer
    x = 2,979.21

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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.