Home / 3,839.84-5,299.70-2,404.87

Finding the Fourth Proportional to 3,839.84, 5,299.70 and 2,404.87

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Solution

The fourth proportional to 3,839.84, 5,299.70 and 2,404.87 is: 3,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.84 : 5,299.70 = 2,404.87 : x
  2. Step 2: Convert to fraction form
    3,839.84/5,299.70 = 2,404.87/x
  3. Step 3: Cross multiply
    3,839.84x = 5,299.70 × 2,404.87
  4. Step 4: Simplify right side
    3,839.84x = 12,745,102.18
  5. Step 5: Solve for x
    x = 12,745,102.18/3,839.84
  6. Step 6: Final answer
    x = 3,319.18

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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.