Home / 2,266.56-3,400.08-1,112.64

Finding the Fourth Proportional to 2,266.56, 3,400.08 and 1,112.64

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Solution

The fourth proportional to 2,266.56, 3,400.08 and 1,112.64 is: 1,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.56 : 3,400.08 = 1,112.64 : x
  2. Step 2: Convert to fraction form
    2,266.56/3,400.08 = 1,112.64/x
  3. Step 3: Cross multiply
    2,266.56x = 3,400.08 × 1,112.64
  4. Step 4: Simplify right side
    2,266.56x = 3,783,065.01
  5. Step 5: Solve for x
    x = 3,783,065.01/2,266.56
  6. Step 6: Final answer
    x = 1,669.08

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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.