Home / 2,500.66-3,450.96-1,618

Finding the Fourth Proportional to 2,500.66, 3,450.96 and 1,618

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Solution

The fourth proportional to 2,500.66, 3,450.96 and 1,618 is: 2,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.66 : 3,450.96 = 1,618 : x
  2. Step 2: Convert to fraction form
    2,500.66/3,450.96 = 1,618/x
  3. Step 3: Cross multiply
    2,500.66x = 3,450.96 × 1,618
  4. Step 4: Simplify right side
    2,500.66x = 5,583,653.28
  5. Step 5: Solve for x
    x = 5,583,653.28/2,500.66
  6. Step 6: Final answer
    x = 2,232.87

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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.