Home / 3,655.89-5,484.28-1,190.04

Finding the Fourth Proportional to 3,655.89, 5,484.28 and 1,190.04

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Solution

The fourth proportional to 3,655.89, 5,484.28 and 1,190.04 is: 1,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.89 : 5,484.28 = 1,190.04 : x
  2. Step 2: Convert to fraction form
    3,655.89/5,484.28 = 1,190.04/x
  3. Step 3: Cross multiply
    3,655.89x = 5,484.28 × 1,190.04
  4. Step 4: Simplify right side
    3,655.89x = 6,526,512.57
  5. Step 5: Solve for x
    x = 6,526,512.57/3,655.89
  6. Step 6: Final answer
    x = 1,785.21

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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.