Home / 3,821.36-5,270.28-2,494.04

Finding the Fourth Proportional to 3,821.36, 5,270.28 and 2,494.04

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Solution

The fourth proportional to 3,821.36, 5,270.28 and 2,494.04 is: 3,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.36 : 5,270.28 = 2,494.04 : x
  2. Step 2: Convert to fraction form
    3,821.36/5,270.28 = 2,494.04/x
  3. Step 3: Cross multiply
    3,821.36x = 5,270.28 × 2,494.04
  4. Step 4: Simplify right side
    3,821.36x = 13,144,289.13
  5. Step 5: Solve for x
    x = 13,144,289.13/3,821.36
  6. Step 6: Final answer
    x = 3,439.69

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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.