Home / 2,192.42-3,288.64-1,095.68

Finding the Fourth Proportional to 2,192.42, 3,288.64 and 1,095.68

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Solution

The fourth proportional to 2,192.42, 3,288.64 and 1,095.68 is: 1,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.42 : 3,288.64 = 1,095.68 : x
  2. Step 2: Convert to fraction form
    2,192.42/3,288.64 = 1,095.68/x
  3. Step 3: Cross multiply
    2,192.42x = 3,288.64 × 1,095.68
  4. Step 4: Simplify right side
    2,192.42x = 3,603,297.08
  5. Step 5: Solve for x
    x = 3,603,297.08/2,192.42
  6. Step 6: Final answer
    x = 1,643.52

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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.