Home / 2,212.62-3,320.02-1,695.92

Finding the Fourth Proportional to 2,212.62, 3,320.02 and 1,695.92

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Solution

The fourth proportional to 2,212.62, 3,320.02 and 1,695.92 is: 2,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.62 : 3,320.02 = 1,695.92 : x
  2. Step 2: Convert to fraction form
    2,212.62/3,320.02 = 1,695.92/x
  3. Step 3: Cross multiply
    2,212.62x = 3,320.02 × 1,695.92
  4. Step 4: Simplify right side
    2,212.62x = 5,630,488.32
  5. Step 5: Solve for x
    x = 5,630,488.32/2,212.62
  6. Step 6: Final answer
    x = 2,544.72

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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.