Home / 1,842.55-2,543.30-1,181.18

Finding the Fourth Proportional to 1,842.55, 2,543.30 and 1,181.18

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Solution

The fourth proportional to 1,842.55, 2,543.30 and 1,181.18 is: 1,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.55 : 2,543.30 = 1,181.18 : x
  2. Step 2: Convert to fraction form
    1,842.55/2,543.30 = 1,181.18/x
  3. Step 3: Cross multiply
    1,842.55x = 2,543.30 × 1,181.18
  4. Step 4: Simplify right side
    1,842.55x = 3,004,099.98
  5. Step 5: Solve for x
    x = 3,004,099.98/1,842.55
  6. Step 6: Final answer
    x = 1,630.41

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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.