Home / 2,012.24-3,017.62-695.65

Finding the Fourth Proportional to 2,012.24, 3,017.62 and 695.65

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Solution

The fourth proportional to 2,012.24, 3,017.62 and 695.65 is: 1,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.24 : 3,017.62 = 695.65 : x
  2. Step 2: Convert to fraction form
    2,012.24/3,017.62 = 695.65/x
  3. Step 3: Cross multiply
    2,012.24x = 3,017.62 × 695.65
  4. Step 4: Simplify right side
    2,012.24x = 2,099,217.80
  5. Step 5: Solve for x
    x = 2,099,217.80/2,012.24
  6. Step 6: Final answer
    x = 1,043.23

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1.5x scale

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.