Home / 2,616.12-3,925.14-1,076.28

Finding the Fourth Proportional to 2,616.12, 3,925.14 and 1,076.28

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Solution

The fourth proportional to 2,616.12, 3,925.14 and 1,076.28 is: 1,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.12 : 3,925.14 = 1,076.28 : x
  2. Step 2: Convert to fraction form
    2,616.12/3,925.14 = 1,076.28/x
  3. Step 3: Cross multiply
    2,616.12x = 3,925.14 × 1,076.28
  4. Step 4: Simplify right side
    2,616.12x = 4,224,549.68
  5. Step 5: Solve for x
    x = 4,224,549.68/2,616.12
  6. Step 6: Final answer
    x = 1,614.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.