Home / 3,651.45-5,476.56-1,188.03

Finding the Fourth Proportional to 3,651.45, 5,476.56 and 1,188.03

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Solution

The fourth proportional to 3,651.45, 5,476.56 and 1,188.03 is: 1,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.45 : 5,476.56 = 1,188.03 : x
  2. Step 2: Convert to fraction form
    3,651.45/5,476.56 = 1,188.03/x
  3. Step 3: Cross multiply
    3,651.45x = 5,476.56 × 1,188.03
  4. Step 4: Simplify right side
    3,651.45x = 6,506,317.58
  5. Step 5: Solve for x
    x = 6,506,317.58/3,651.45
  6. Step 6: Final answer
    x = 1,781.84

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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.