Home / 1,181.04-1,626.12-1,003.62

Finding the Fourth Proportional to 1,181.04, 1,626.12 and 1,003.62

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Solution

The fourth proportional to 1,181.04, 1,626.12 and 1,003.62 is: 1,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181.04 : 1,626.12 = 1,003.62 : x
  2. Step 2: Convert to fraction form
    1,181.04/1,626.12 = 1,003.62/x
  3. Step 3: Cross multiply
    1,181.04x = 1,626.12 × 1,003.62
  4. Step 4: Simplify right side
    1,181.04x = 1,632,006.55
  5. Step 5: Solve for x
    x = 1,632,006.55/1,181.04
  6. Step 6: Final answer
    x = 1,381.84

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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.