Home / 3,756.56-5,633.60-1,291.32

Finding the Fourth Proportional to 3,756.56, 5,633.60 and 1,291.32

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Solution

The fourth proportional to 3,756.56, 5,633.60 and 1,291.32 is: 1,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.56 : 5,633.60 = 1,291.32 : x
  2. Step 2: Convert to fraction form
    3,756.56/5,633.60 = 1,291.32/x
  3. Step 3: Cross multiply
    3,756.56x = 5,633.60 × 1,291.32
  4. Step 4: Simplify right side
    3,756.56x = 7,274,773.90
  5. Step 5: Solve for x
    x = 7,274,773.90/3,756.56
  6. Step 6: Final answer
    x = 1,936.55

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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.