Home / 1,283.32-1,936.55-1,237.56

Finding the Fourth Proportional to 1,283.32, 1,936.55 and 1,237.56

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Solution

The fourth proportional to 1,283.32, 1,936.55 and 1,237.56 is: 1,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.32 : 1,936.55 = 1,237.56 : x
  2. Step 2: Convert to fraction form
    1,283.32/1,936.55 = 1,237.56/x
  3. Step 3: Cross multiply
    1,283.32x = 1,936.55 × 1,237.56
  4. Step 4: Simplify right side
    1,283.32x = 2,396,596.82
  5. Step 5: Solve for x
    x = 2,396,596.82/1,283.32
  6. Step 6: Final answer
    x = 1,867.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.