Home / 2,760.42-3,809.12-1,581.33

Finding the Fourth Proportional to 2,760.42, 3,809.12 and 1,581.33

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Solution

The fourth proportional to 2,760.42, 3,809.12 and 1,581.33 is: 2,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.42 : 3,809.12 = 1,581.33 : x
  2. Step 2: Convert to fraction form
    2,760.42/3,809.12 = 1,581.33/x
  3. Step 3: Cross multiply
    2,760.42x = 3,809.12 × 1,581.33
  4. Step 4: Simplify right side
    2,760.42x = 6,023,467.82
  5. Step 5: Solve for x
    x = 6,023,467.82/2,760.42
  6. Step 6: Final answer
    x = 2,182.08

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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.