Home / 1,184.33-1,635.66-921.94

Finding the Fourth Proportional to 1,184.33, 1,635.66 and 921.94

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Solution

The fourth proportional to 1,184.33, 1,635.66 and 921.94 is: 1,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.33 : 1,635.66 = 921.94 : x
  2. Step 2: Convert to fraction form
    1,184.33/1,635.66 = 921.94/x
  3. Step 3: Cross multiply
    1,184.33x = 1,635.66 × 921.94
  4. Step 4: Simplify right side
    1,184.33x = 1,507,976.29
  5. Step 5: Solve for x
    x = 1,507,976.29/1,184.33
  6. Step 6: Final answer
    x = 1,273.27

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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.