Home / 3,907.24-5,391.42-2,335

Finding the Fourth Proportional to 3,907.24, 5,391.42 and 2,335

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Solution

The fourth proportional to 3,907.24, 5,391.42 and 2,335 is: 3,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.24 : 5,391.42 = 2,335 : x
  2. Step 2: Convert to fraction form
    3,907.24/5,391.42 = 2,335/x
  3. Step 3: Cross multiply
    3,907.24x = 5,391.42 × 2,335
  4. Step 4: Simplify right side
    3,907.24x = 12,588,965.70
  5. Step 5: Solve for x
    x = 12,588,965.70/3,907.24
  6. Step 6: Final answer
    x = 3,221.96

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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.