Home / 3,431.33-4,731.67-2,935.61

Finding the Fourth Proportional to 3,431.33, 4,731.67 and 2,935.61

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Solution

The fourth proportional to 3,431.33, 4,731.67 and 2,935.61 is: 4,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.33 : 4,731.67 = 2,935.61 : x
  2. Step 2: Convert to fraction form
    3,431.33/4,731.67 = 2,935.61/x
  3. Step 3: Cross multiply
    3,431.33x = 4,731.67 × 2,935.61
  4. Step 4: Simplify right side
    3,431.33x = 13,890,306.77
  5. Step 5: Solve for x
    x = 13,890,306.77/3,431.33
  6. Step 6: Final answer
    x = 4,048.09

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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.