Home / 3,939.03-5,436.95-2,446.11

Finding the Fourth Proportional to 3,939.03, 5,436.95 and 2,446.11

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Solution

The fourth proportional to 3,939.03, 5,436.95 and 2,446.11 is: 3,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.03 : 5,436.95 = 2,446.11 : x
  2. Step 2: Convert to fraction form
    3,939.03/5,436.95 = 2,446.11/x
  3. Step 3: Cross multiply
    3,939.03x = 5,436.95 × 2,446.11
  4. Step 4: Simplify right side
    3,939.03x = 13,299,365.53
  5. Step 5: Solve for x
    x = 13,299,365.53/3,939.03
  6. Step 6: Final answer
    x = 3,376.30

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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.