Home / 2,256.12-3,379.68-1,161.36

Finding the Fourth Proportional to 2,256.12, 3,379.68 and 1,161.36

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Solution

The fourth proportional to 2,256.12, 3,379.68 and 1,161.36 is: 1,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.12 : 3,379.68 = 1,161.36 : x
  2. Step 2: Convert to fraction form
    2,256.12/3,379.68 = 1,161.36/x
  3. Step 3: Cross multiply
    2,256.12x = 3,379.68 × 1,161.36
  4. Step 4: Simplify right side
    2,256.12x = 3,925,025.16
  5. Step 5: Solve for x
    x = 3,925,025.16/2,256.12
  6. Step 6: Final answer
    x = 1,739.72

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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.