Home / 3,939.13-5,436.06-2,544.31

Finding the Fourth Proportional to 3,939.13, 5,436.06 and 2,544.31

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Solution

The fourth proportional to 3,939.13, 5,436.06 and 2,544.31 is: 3,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.13 : 5,436.06 = 2,544.31 : x
  2. Step 2: Convert to fraction form
    3,939.13/5,436.06 = 2,544.31/x
  3. Step 3: Cross multiply
    3,939.13x = 5,436.06 × 2,544.31
  4. Step 4: Simplify right side
    3,939.13x = 13,830,994.64
  5. Step 5: Solve for x
    x = 13,830,994.64/3,939.13
  6. Step 6: Final answer
    x = 3,511.18

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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.