Home / 3,655.11-5,483.05-1,189.61

Finding the Fourth Proportional to 3,655.11, 5,483.05 and 1,189.61

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Solution

The fourth proportional to 3,655.11, 5,483.05 and 1,189.61 is: 1,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.11 : 5,483.05 = 1,189.61 : x
  2. Step 2: Convert to fraction form
    3,655.11/5,483.05 = 1,189.61/x
  3. Step 3: Cross multiply
    3,655.11x = 5,483.05 × 1,189.61
  4. Step 4: Simplify right side
    3,655.11x = 6,522,680.19
  5. Step 5: Solve for x
    x = 6,522,680.19/3,655.11
  6. Step 6: Final answer
    x = 1,784.54

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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.