Home / 3,864.27-5,334.99-2,540.28

Finding the Fourth Proportional to 3,864.27, 5,334.99 and 2,540.28

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Solution

The fourth proportional to 3,864.27, 5,334.99 and 2,540.28 is: 3,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.27 : 5,334.99 = 2,540.28 : x
  2. Step 2: Convert to fraction form
    3,864.27/5,334.99 = 2,540.28/x
  3. Step 3: Cross multiply
    3,864.27x = 5,334.99 × 2,540.28
  4. Step 4: Simplify right side
    3,864.27x = 13,552,368.40
  5. Step 5: Solve for x
    x = 13,552,368.40/3,864.27
  6. Step 6: Final answer
    x = 3,507.10

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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.