Home / 3,203.31-4,808.61-2,991.90

Finding the Fourth Proportional to 3,203.31, 4,808.61 and 2,991.90

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Solution

The fourth proportional to 3,203.31, 4,808.61 and 2,991.90 is: 4,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.31 : 4,808.61 = 2,991.90 : x
  2. Step 2: Convert to fraction form
    3,203.31/4,808.61 = 2,991.90/x
  3. Step 3: Cross multiply
    3,203.31x = 4,808.61 × 2,991.90
  4. Step 4: Simplify right side
    3,203.31x = 14,386,880.26
  5. Step 5: Solve for x
    x = 14,386,880.26/3,203.31
  6. Step 6: Final answer
    x = 4,491.25

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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.