Home / 3,939.49-5,437.43-2,367.58

Finding the Fourth Proportional to 3,939.49, 5,437.43 and 2,367.58

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Solution

The fourth proportional to 3,939.49, 5,437.43 and 2,367.58 is: 3,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.49 : 5,437.43 = 2,367.58 : x
  2. Step 2: Convert to fraction form
    3,939.49/5,437.43 = 2,367.58/x
  3. Step 3: Cross multiply
    3,939.49x = 5,437.43 × 2,367.58
  4. Step 4: Simplify right side
    3,939.49x = 12,873,544.16
  5. Step 5: Solve for x
    x = 12,873,544.16/3,939.49
  6. Step 6: Final answer
    x = 3,267.82

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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.