Home / 3,837.85-5,295.93-2,158.93

Finding the Fourth Proportional to 3,837.85, 5,295.93 and 2,158.93

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Solution

The fourth proportional to 3,837.85, 5,295.93 and 2,158.93 is: 2,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.85 : 5,295.93 = 2,158.93 : x
  2. Step 2: Convert to fraction form
    3,837.85/5,295.93 = 2,158.93/x
  3. Step 3: Cross multiply
    3,837.85x = 5,295.93 × 2,158.93
  4. Step 4: Simplify right side
    3,837.85x = 11,433,515.68
  5. Step 5: Solve for x
    x = 11,433,515.68/3,837.85
  6. Step 6: Final answer
    x = 2,979.15

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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.