Home / 3,816.36-5,263.38-2,489.04

Finding the Fourth Proportional to 3,816.36, 5,263.38 and 2,489.04

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Solution

The fourth proportional to 3,816.36, 5,263.38 and 2,489.04 is: 3,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.36 : 5,263.38 = 2,489.04 : x
  2. Step 2: Convert to fraction form
    3,816.36/5,263.38 = 2,489.04/x
  3. Step 3: Cross multiply
    3,816.36x = 5,263.38 × 2,489.04
  4. Step 4: Simplify right side
    3,816.36x = 13,100,763.36
  5. Step 5: Solve for x
    x = 13,100,763.36/3,816.36
  6. Step 6: Final answer
    x = 3,432.79

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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.