Home / 3,939.84-5,435.91-2,367.63

Finding the Fourth Proportional to 3,939.84, 5,435.91 and 2,367.63

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Solution

The fourth proportional to 3,939.84, 5,435.91 and 2,367.63 is: 3,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.84 : 5,435.91 = 2,367.63 : x
  2. Step 2: Convert to fraction form
    3,939.84/5,435.91 = 2,367.63/x
  3. Step 3: Cross multiply
    3,939.84x = 5,435.91 × 2,367.63
  4. Step 4: Simplify right side
    3,939.84x = 12,870,223.59
  5. Step 5: Solve for x
    x = 12,870,223.59/3,939.84
  6. Step 6: Final answer
    x = 3,266.69

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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.