Home / 3,837.30-5,295.61-2,158.64

Finding the Fourth Proportional to 3,837.30, 5,295.61 and 2,158.64

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Solution

The fourth proportional to 3,837.30, 5,295.61 and 2,158.64 is: 2,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.30 : 5,295.61 = 2,158.64 : x
  2. Step 2: Convert to fraction form
    3,837.30/5,295.61 = 2,158.64/x
  3. Step 3: Cross multiply
    3,837.30x = 5,295.61 × 2,158.64
  4. Step 4: Simplify right side
    3,837.30x = 11,431,315.57
  5. Step 5: Solve for x
    x = 11,431,315.57/3,837.30
  6. Step 6: Final answer
    x = 2,979.00

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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.