Home / 1,203.28-1,794.59-1,178.92

Finding the Fourth Proportional to 1,203.28, 1,794.59 and 1,178.92

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Solution

The fourth proportional to 1,203.28, 1,794.59 and 1,178.92 is: 1,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203.28 : 1,794.59 = 1,178.92 : x
  2. Step 2: Convert to fraction form
    1,203.28/1,794.59 = 1,178.92/x
  3. Step 3: Cross multiply
    1,203.28x = 1,794.59 × 1,178.92
  4. Step 4: Simplify right side
    1,203.28x = 2,115,678.04
  5. Step 5: Solve for x
    x = 2,115,678.04/1,203.28
  6. Step 6: Final answer
    x = 1,758.26

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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.