Home / 3,935.93-5,431.66-2,257.13

Finding the Fourth Proportional to 3,935.93, 5,431.66 and 2,257.13

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Solution

The fourth proportional to 3,935.93, 5,431.66 and 2,257.13 is: 3,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.93 : 5,431.66 = 2,257.13 : x
  2. Step 2: Convert to fraction form
    3,935.93/5,431.66 = 2,257.13/x
  3. Step 3: Cross multiply
    3,935.93x = 5,431.66 × 2,257.13
  4. Step 4: Simplify right side
    3,935.93x = 12,259,970.67
  5. Step 5: Solve for x
    x = 12,259,970.67/3,935.93
  6. Step 6: Final answer
    x = 3,114.89

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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.