Home / 1,236.06-1,845.23-1,154.16

Finding the Fourth Proportional to 1,236.06, 1,845.23 and 1,154.16

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Solution

The fourth proportional to 1,236.06, 1,845.23 and 1,154.16 is: 1,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.06 : 1,845.23 = 1,154.16 : x
  2. Step 2: Convert to fraction form
    1,236.06/1,845.23 = 1,154.16/x
  3. Step 3: Cross multiply
    1,236.06x = 1,845.23 × 1,154.16
  4. Step 4: Simplify right side
    1,236.06x = 2,129,684.89
  5. Step 5: Solve for x
    x = 2,129,684.89/1,236.06
  6. Step 6: Final answer
    x = 1,722.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.