Home / 4,143.36-5,718.42-2,650.80

Finding the Fourth Proportional to 4,143.36, 5,718.42 and 2,650.80

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Solution

The fourth proportional to 4,143.36, 5,718.42 and 2,650.80 is: 3,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.36 : 5,718.42 = 2,650.80 : x
  2. Step 2: Convert to fraction form
    4,143.36/5,718.42 = 2,650.80/x
  3. Step 3: Cross multiply
    4,143.36x = 5,718.42 × 2,650.80
  4. Step 4: Simplify right side
    4,143.36x = 15,158,387.74
  5. Step 5: Solve for x
    x = 15,158,387.74/4,143.36
  6. Step 6: Final answer
    x = 3,658.48

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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.