Home / 3,895.43-5,362.13-2,949.55

Finding the Fourth Proportional to 3,895.43, 5,362.13 and 2,949.55

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Solution

The fourth proportional to 3,895.43, 5,362.13 and 2,949.55 is: 4,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.43 : 5,362.13 = 2,949.55 : x
  2. Step 2: Convert to fraction form
    3,895.43/5,362.13 = 2,949.55/x
  3. Step 3: Cross multiply
    3,895.43x = 5,362.13 × 2,949.55
  4. Step 4: Simplify right side
    3,895.43x = 15,815,864.51
  5. Step 5: Solve for x
    x = 15,815,864.51/3,895.43
  6. Step 6: Final answer
    x = 4,060.11

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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.