Home / 2,525.66-3,781.49-1,290.41

Finding the Fourth Proportional to 2,525.66, 3,781.49 and 1,290.41

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Solution

The fourth proportional to 2,525.66, 3,781.49 and 1,290.41 is: 1,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.66 : 3,781.49 = 1,290.41 : x
  2. Step 2: Convert to fraction form
    2,525.66/3,781.49 = 1,290.41/x
  3. Step 3: Cross multiply
    2,525.66x = 3,781.49 × 1,290.41
  4. Step 4: Simplify right side
    2,525.66x = 4,879,656.83
  5. Step 5: Solve for x
    x = 4,879,656.83/2,525.66
  6. Step 6: Final answer
    x = 1,932.04

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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.