Home / 2,525.12-3,786.60-881.18

Finding the Fourth Proportional to 2,525.12, 3,786.60 and 881.18

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Solution

The fourth proportional to 2,525.12, 3,786.60 and 881.18 is: 1,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.12 : 3,786.60 = 881.18 : x
  2. Step 2: Convert to fraction form
    2,525.12/3,786.60 = 881.18/x
  3. Step 3: Cross multiply
    2,525.12x = 3,786.60 × 881.18
  4. Step 4: Simplify right side
    2,525.12x = 3,336,676.19
  5. Step 5: Solve for x
    x = 3,336,676.19/2,525.12
  6. Step 6: Final answer
    x = 1,321.39

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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.