Home / 1,034.19-1,551.39-303.79

Finding the Fourth Proportional to 1,034.19, 1,551.39 and 303.79

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Solution

The fourth proportional to 1,034.19, 1,551.39 and 303.79 is: 455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.19 : 1,551.39 = 303.79 : x
  2. Step 2: Convert to fraction form
    1,034.19/1,551.39 = 303.79/x
  3. Step 3: Cross multiply
    1,034.19x = 1,551.39 × 303.79
  4. Step 4: Simplify right side
    1,034.19x = 471,296.77
  5. Step 5: Solve for x
    x = 471,296.77/1,034.19
  6. Step 6: Final answer
    x = 455.72

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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.