Home / 3,864.30-5,334.96-2,540.28

Finding the Fourth Proportional to 3,864.30, 5,334.96 and 2,540.28

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Solution

The fourth proportional to 3,864.30, 5,334.96 and 2,540.28 is: 3,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.30 : 5,334.96 = 2,540.28 : x
  2. Step 2: Convert to fraction form
    3,864.30/5,334.96 = 2,540.28/x
  3. Step 3: Cross multiply
    3,864.30x = 5,334.96 × 2,540.28
  4. Step 4: Simplify right side
    3,864.30x = 13,552,292.19
  5. Step 5: Solve for x
    x = 13,552,292.19/3,864.30
  6. Step 6: Final answer
    x = 3,507.05

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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.