Home / 3,286.69-4,931.25-1,726.63

Finding the Fourth Proportional to 3,286.69, 4,931.25 and 1,726.63

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Solution

The fourth proportional to 3,286.69, 4,931.25 and 1,726.63 is: 2,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.69 : 4,931.25 = 1,726.63 : x
  2. Step 2: Convert to fraction form
    3,286.69/4,931.25 = 1,726.63/x
  3. Step 3: Cross multiply
    3,286.69x = 4,931.25 × 1,726.63
  4. Step 4: Simplify right side
    3,286.69x = 8,514,425.38
  5. Step 5: Solve for x
    x = 8,514,425.38/3,286.69
  6. Step 6: Final answer
    x = 2,590.58

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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.