Home / 1,131.04-1,560.36-798.94

Finding the Fourth Proportional to 1,131.04, 1,560.36 and 798.94

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Solution

The fourth proportional to 1,131.04, 1,560.36 and 798.94 is: 1,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.04 : 1,560.36 = 798.94 : x
  2. Step 2: Convert to fraction form
    1,131.04/1,560.36 = 798.94/x
  3. Step 3: Cross multiply
    1,131.04x = 1,560.36 × 798.94
  4. Step 4: Simplify right side
    1,131.04x = 1,246,634.02
  5. Step 5: Solve for x
    x = 1,246,634.02/1,131.04
  6. Step 6: Final answer
    x = 1,102.20

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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.