Home / 3,486.87-5,230.76-1,295.31

Finding the Fourth Proportional to 3,486.87, 5,230.76 and 1,295.31

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Solution

The fourth proportional to 3,486.87, 5,230.76 and 1,295.31 is: 1,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.87 : 5,230.76 = 1,295.31 : x
  2. Step 2: Convert to fraction form
    3,486.87/5,230.76 = 1,295.31/x
  3. Step 3: Cross multiply
    3,486.87x = 5,230.76 × 1,295.31
  4. Step 4: Simplify right side
    3,486.87x = 6,775,476.16
  5. Step 5: Solve for x
    x = 6,775,476.16/3,486.87
  6. Step 6: Final answer
    x = 1,943.14

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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.