Home / 2,067.28-2,852.88-1,135.80

Finding the Fourth Proportional to 2,067.28, 2,852.88 and 1,135.80

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Solution

The fourth proportional to 2,067.28, 2,852.88 and 1,135.80 is: 1,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.28 : 2,852.88 = 1,135.80 : x
  2. Step 2: Convert to fraction form
    2,067.28/2,852.88 = 1,135.80/x
  3. Step 3: Cross multiply
    2,067.28x = 2,852.88 × 1,135.80
  4. Step 4: Simplify right side
    2,067.28x = 3,240,301.10
  5. Step 5: Solve for x
    x = 3,240,301.10/2,067.28
  6. Step 6: Final answer
    x = 1,567.42

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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.