Home / 1,036.27-1,554.39-306.34

Finding the Fourth Proportional to 1,036.27, 1,554.39 and 306.34

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Solution

The fourth proportional to 1,036.27, 1,554.39 and 306.34 is: 459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.27 : 1,554.39 = 306.34 : x
  2. Step 2: Convert to fraction form
    1,036.27/1,554.39 = 306.34/x
  3. Step 3: Cross multiply
    1,036.27x = 1,554.39 × 306.34
  4. Step 4: Simplify right side
    1,036.27x = 476,171.83
  5. Step 5: Solve for x
    x = 476,171.83/1,036.27
  6. Step 6: Final answer
    x = 459.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.