Home / 3,652.89-5,480.55-1,187.79

Finding the Fourth Proportional to 3,652.89, 5,480.55 and 1,187.79

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Solution

The fourth proportional to 3,652.89, 5,480.55 and 1,187.79 is: 1,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.89 : 5,480.55 = 1,187.79 : x
  2. Step 2: Convert to fraction form
    3,652.89/5,480.55 = 1,187.79/x
  3. Step 3: Cross multiply
    3,652.89x = 5,480.55 × 1,187.79
  4. Step 4: Simplify right side
    3,652.89x = 6,509,742.48
  5. Step 5: Solve for x
    x = 6,509,742.48/3,652.89
  6. Step 6: Final answer
    x = 1,782.08

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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.