Home / 3,864.08-5,331.17-2,185.32

Finding the Fourth Proportional to 3,864.08, 5,331.17 and 2,185.32

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Solution

The fourth proportional to 3,864.08, 5,331.17 and 2,185.32 is: 3,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.08 : 5,331.17 = 2,185.32 : x
  2. Step 2: Convert to fraction form
    3,864.08/5,331.17 = 2,185.32/x
  3. Step 3: Cross multiply
    3,864.08x = 5,331.17 × 2,185.32
  4. Step 4: Simplify right side
    3,864.08x = 11,650,301.50
  5. Step 5: Solve for x
    x = 11,650,301.50/3,864.08
  6. Step 6: Final answer
    x = 3,015.03

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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.