Home / 1,034.51-1,425.60-933.84

Finding the Fourth Proportional to 1,034.51, 1,425.60 and 933.84

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Solution

The fourth proportional to 1,034.51, 1,425.60 and 933.84 is: 1,286.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.51 : 1,425.60 = 933.84 : x
  2. Step 2: Convert to fraction form
    1,034.51/1,425.60 = 933.84/x
  3. Step 3: Cross multiply
    1,034.51x = 1,425.60 × 933.84
  4. Step 4: Simplify right side
    1,034.51x = 1,331,282.30
  5. Step 5: Solve for x
    x = 1,331,282.30/1,034.51
  6. Step 6: Final answer
    x = 1,286.88

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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.