Home / 3,660.12-5,491.92-1,470.48

Finding the Fourth Proportional to 3,660.12, 5,491.92 and 1,470.48

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Solution

The fourth proportional to 3,660.12, 5,491.92 and 1,470.48 is: 2,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.12 : 5,491.92 = 1,470.48 : x
  2. Step 2: Convert to fraction form
    3,660.12/5,491.92 = 1,470.48/x
  3. Step 3: Cross multiply
    3,660.12x = 5,491.92 × 1,470.48
  4. Step 4: Simplify right side
    3,660.12x = 8,075,758.52
  5. Step 5: Solve for x
    x = 8,075,758.52/3,660.12
  6. Step 6: Final answer
    x = 2,206.42

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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.