Home / 1,199.44-1,656.36-1,112.08

Finding the Fourth Proportional to 1,199.44, 1,656.36 and 1,112.08

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Solution

The fourth proportional to 1,199.44, 1,656.36 and 1,112.08 is: 1,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199.44 : 1,656.36 = 1,112.08 : x
  2. Step 2: Convert to fraction form
    1,199.44/1,656.36 = 1,112.08/x
  3. Step 3: Cross multiply
    1,199.44x = 1,656.36 × 1,112.08
  4. Step 4: Simplify right side
    1,199.44x = 1,842,004.83
  5. Step 5: Solve for x
    x = 1,842,004.83/1,199.44
  6. Step 6: Final answer
    x = 1,535.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.