Home / 3,260.71-4,891.61-1,617.31

Finding the Fourth Proportional to 3,260.71, 4,891.61 and 1,617.31

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Solution

The fourth proportional to 3,260.71, 4,891.61 and 1,617.31 is: 2,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.71 : 4,891.61 = 1,617.31 : x
  2. Step 2: Convert to fraction form
    3,260.71/4,891.61 = 1,617.31/x
  3. Step 3: Cross multiply
    3,260.71x = 4,891.61 × 1,617.31
  4. Step 4: Simplify right side
    3,260.71x = 7,911,249.77
  5. Step 5: Solve for x
    x = 7,911,249.77/3,260.71
  6. Step 6: Final answer
    x = 2,426.24

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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.