Home / 3,340.87-5,011.31-1,491.54

Finding the Fourth Proportional to 3,340.87, 5,011.31 and 1,491.54

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Solution

The fourth proportional to 3,340.87, 5,011.31 and 1,491.54 is: 2,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.87 : 5,011.31 = 1,491.54 : x
  2. Step 2: Convert to fraction form
    3,340.87/5,011.31 = 1,491.54/x
  3. Step 3: Cross multiply
    3,340.87x = 5,011.31 × 1,491.54
  4. Step 4: Simplify right side
    3,340.87x = 7,474,569.32
  5. Step 5: Solve for x
    x = 7,474,569.32/3,340.87
  6. Step 6: Final answer
    x = 2,237.31

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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.