Home / 2,769.66-3,825.63-2,439.18

Finding the Fourth Proportional to 2,769.66, 3,825.63 and 2,439.18

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Solution

The fourth proportional to 2,769.66, 3,825.63 and 2,439.18 is: 3,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.66 : 3,825.63 = 2,439.18 : x
  2. Step 2: Convert to fraction form
    2,769.66/3,825.63 = 2,439.18/x
  3. Step 3: Cross multiply
    2,769.66x = 3,825.63 × 2,439.18
  4. Step 4: Simplify right side
    2,769.66x = 9,331,400.18
  5. Step 5: Solve for x
    x = 9,331,400.18/2,769.66
  6. Step 6: Final answer
    x = 3,369.15

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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.