Home / 1,282.09-1,913.08-1,203.73

Finding the Fourth Proportional to 1,282.09, 1,913.08 and 1,203.73

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Solution

The fourth proportional to 1,282.09, 1,913.08 and 1,203.73 is: 1,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.09 : 1,913.08 = 1,203.73 : x
  2. Step 2: Convert to fraction form
    1,282.09/1,913.08 = 1,203.73/x
  3. Step 3: Cross multiply
    1,282.09x = 1,913.08 × 1,203.73
  4. Step 4: Simplify right side
    1,282.09x = 2,302,821.61
  5. Step 5: Solve for x
    x = 2,302,821.61/1,282.09
  6. Step 6: Final answer
    x = 1,796.14

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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.