Home / 3,116.61-4,675.68-925.33

Finding the Fourth Proportional to 3,116.61, 4,675.68 and 925.33

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Solution

The fourth proportional to 3,116.61, 4,675.68 and 925.33 is: 1,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.61 : 4,675.68 = 925.33 : x
  2. Step 2: Convert to fraction form
    3,116.61/4,675.68 = 925.33/x
  3. Step 3: Cross multiply
    3,116.61x = 4,675.68 × 925.33
  4. Step 4: Simplify right side
    3,116.61x = 4,326,542.35
  5. Step 5: Solve for x
    x = 4,326,542.35/3,116.61
  6. Step 6: Final answer
    x = 1,388.22

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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.