Home / 2,581.32-3,560.70-1,908.48

Finding the Fourth Proportional to 2,581.32, 3,560.70 and 1,908.48

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Solution

The fourth proportional to 2,581.32, 3,560.70 and 1,908.48 is: 2,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.32 : 3,560.70 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    2,581.32/3,560.70 = 1,908.48/x
  3. Step 3: Cross multiply
    2,581.32x = 3,560.70 × 1,908.48
  4. Step 4: Simplify right side
    2,581.32x = 6,795,524.74
  5. Step 5: Solve for x
    x = 6,795,524.74/2,581.32
  6. Step 6: Final answer
    x = 2,632.58

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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.