Home / 2,843.15-3,923.77-1,648.53

Finding the Fourth Proportional to 2,843.15, 3,923.77 and 1,648.53

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Solution

The fourth proportional to 2,843.15, 3,923.77 and 1,648.53 is: 2,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.15 : 3,923.77 = 1,648.53 : x
  2. Step 2: Convert to fraction form
    2,843.15/3,923.77 = 1,648.53/x
  3. Step 3: Cross multiply
    2,843.15x = 3,923.77 × 1,648.53
  4. Step 4: Simplify right side
    2,843.15x = 6,468,452.56
  5. Step 5: Solve for x
    x = 6,468,452.56/2,843.15
  6. Step 6: Final answer
    x = 2,275.10

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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.