Home / 3,486.33-5,225.45-1,293.66

Finding the Fourth Proportional to 3,486.33, 5,225.45 and 1,293.66

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Solution

The fourth proportional to 3,486.33, 5,225.45 and 1,293.66 is: 1,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.33 : 5,225.45 = 1,293.66 : x
  2. Step 2: Convert to fraction form
    3,486.33/5,225.45 = 1,293.66/x
  3. Step 3: Cross multiply
    3,486.33x = 5,225.45 × 1,293.66
  4. Step 4: Simplify right side
    3,486.33x = 6,759,949.18
  5. Step 5: Solve for x
    x = 6,759,949.18/3,486.33
  6. Step 6: Final answer
    x = 1,938.99

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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.