Home / 2,257.81-3,110.20-1,962.56

Finding the Fourth Proportional to 2,257.81, 3,110.20 and 1,962.56

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Solution

The fourth proportional to 2,257.81, 3,110.20 and 1,962.56 is: 2,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.81 : 3,110.20 = 1,962.56 : x
  2. Step 2: Convert to fraction form
    2,257.81/3,110.20 = 1,962.56/x
  3. Step 3: Cross multiply
    2,257.81x = 3,110.20 × 1,962.56
  4. Step 4: Simplify right side
    2,257.81x = 6,103,956.98
  5. Step 5: Solve for x
    x = 6,103,956.98/2,257.81
  6. Step 6: Final answer
    x = 2,703.49

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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.