Home / 1,036.15-1,554.23-306.25

Finding the Fourth Proportional to 1,036.15, 1,554.23 and 306.25

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Solution

The fourth proportional to 1,036.15, 1,554.23 and 306.25 is: 459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.15 : 1,554.23 = 306.25 : x
  2. Step 2: Convert to fraction form
    1,036.15/1,554.23 = 306.25/x
  3. Step 3: Cross multiply
    1,036.15x = 1,554.23 × 306.25
  4. Step 4: Simplify right side
    1,036.15x = 475,979.82
  5. Step 5: Solve for x
    x = 475,979.82/1,036.15
  6. Step 6: Final answer
    x = 459.37

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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.