Home / 2,539.49-3,812.87-1,659.22

Finding the Fourth Proportional to 2,539.49, 3,812.87 and 1,659.22

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Solution

The fourth proportional to 2,539.49, 3,812.87 and 1,659.22 is: 2,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.49 : 3,812.87 = 1,659.22 : x
  2. Step 2: Convert to fraction form
    2,539.49/3,812.87 = 1,659.22/x
  3. Step 3: Cross multiply
    2,539.49x = 3,812.87 × 1,659.22
  4. Step 4: Simplify right side
    2,539.49x = 6,326,384.78
  5. Step 5: Solve for x
    x = 6,326,384.78/2,539.49
  6. Step 6: Final answer
    x = 2,491.21

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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.