Home / 2,742.23-4,113.25-1,098.33

Finding the Fourth Proportional to 2,742.23, 4,113.25 and 1,098.33

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Solution

The fourth proportional to 2,742.23, 4,113.25 and 1,098.33 is: 1,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.23 : 4,113.25 = 1,098.33 : x
  2. Step 2: Convert to fraction form
    2,742.23/4,113.25 = 1,098.33/x
  3. Step 3: Cross multiply
    2,742.23x = 4,113.25 × 1,098.33
  4. Step 4: Simplify right side
    2,742.23x = 4,517,703.13
  5. Step 5: Solve for x
    x = 4,517,703.13/2,742.23
  6. Step 6: Final answer
    x = 1,647.46

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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.