Home / 1,323.55-1,975.81-1,227.43

Finding the Fourth Proportional to 1,323.55, 1,975.81 and 1,227.43

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Solution

The fourth proportional to 1,323.55, 1,975.81 and 1,227.43 is: 1,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.55 : 1,975.81 = 1,227.43 : x
  2. Step 2: Convert to fraction form
    1,323.55/1,975.81 = 1,227.43/x
  3. Step 3: Cross multiply
    1,323.55x = 1,975.81 × 1,227.43
  4. Step 4: Simplify right side
    1,323.55x = 2,425,160.46
  5. Step 5: Solve for x
    x = 2,425,160.46/1,323.55
  6. Step 6: Final answer
    x = 1,832.32

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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.