Home / 2,247.92-3,095.68-1,930.64

Finding the Fourth Proportional to 2,247.92, 3,095.68 and 1,930.64

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Solution

The fourth proportional to 2,247.92, 3,095.68 and 1,930.64 is: 2,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.92 : 3,095.68 = 1,930.64 : x
  2. Step 2: Convert to fraction form
    2,247.92/3,095.68 = 1,930.64/x
  3. Step 3: Cross multiply
    2,247.92x = 3,095.68 × 1,930.64
  4. Step 4: Simplify right side
    2,247.92x = 5,976,643.64
  5. Step 5: Solve for x
    x = 5,976,643.64/2,247.92
  6. Step 6: Final answer
    x = 2,658.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.