Home / 2,652.21-3,976.95-1,190.11

Finding the Fourth Proportional to 2,652.21, 3,976.95 and 1,190.11

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Solution

The fourth proportional to 2,652.21, 3,976.95 and 1,190.11 is: 1,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.21 : 3,976.95 = 1,190.11 : x
  2. Step 2: Convert to fraction form
    2,652.21/3,976.95 = 1,190.11/x
  3. Step 3: Cross multiply
    2,652.21x = 3,976.95 × 1,190.11
  4. Step 4: Simplify right side
    2,652.21x = 4,733,003.25
  5. Step 5: Solve for x
    x = 4,733,003.25/2,652.21
  6. Step 6: Final answer
    x = 1,784.55

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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.