Home / 3,864.80-5,331.43-2,446.09

Finding the Fourth Proportional to 3,864.80, 5,331.43 and 2,446.09

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Solution

The fourth proportional to 3,864.80, 5,331.43 and 2,446.09 is: 3,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.80 : 5,331.43 = 2,446.09 : x
  2. Step 2: Convert to fraction form
    3,864.80/5,331.43 = 2,446.09/x
  3. Step 3: Cross multiply
    3,864.80x = 5,331.43 × 2,446.09
  4. Step 4: Simplify right side
    3,864.80x = 13,041,157.61
  5. Step 5: Solve for x
    x = 13,041,157.61/3,864.80
  6. Step 6: Final answer
    x = 3,374.34

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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.