Home / 3,455.89-4,767.12-2,458.98

Finding the Fourth Proportional to 3,455.89, 4,767.12 and 2,458.98

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Solution

The fourth proportional to 3,455.89, 4,767.12 and 2,458.98 is: 3,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.89 : 4,767.12 = 2,458.98 : x
  2. Step 2: Convert to fraction form
    3,455.89/4,767.12 = 2,458.98/x
  3. Step 3: Cross multiply
    3,455.89x = 4,767.12 × 2,458.98
  4. Step 4: Simplify right side
    3,455.89x = 11,722,252.74
  5. Step 5: Solve for x
    x = 11,722,252.74/3,455.89
  6. Step 6: Final answer
    x = 3,391.97

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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.