Home / 3,935.16-5,432.78-2,610.66

Finding the Fourth Proportional to 3,935.16, 5,432.78 and 2,610.66

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Solution

The fourth proportional to 3,935.16, 5,432.78 and 2,610.66 is: 3,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.16 : 5,432.78 = 2,610.66 : x
  2. Step 2: Convert to fraction form
    3,935.16/5,432.78 = 2,610.66/x
  3. Step 3: Cross multiply
    3,935.16x = 5,432.78 × 2,610.66
  4. Step 4: Simplify right side
    3,935.16x = 14,183,141.43
  5. Step 5: Solve for x
    x = 14,183,141.43/3,935.16
  6. Step 6: Final answer
    x = 3,604.21

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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.