Home / 2,117.75-3,176.30-730.77

Finding the Fourth Proportional to 2,117.75, 3,176.30 and 730.77

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Solution

The fourth proportional to 2,117.75, 3,176.30 and 730.77 is: 1,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.75 : 3,176.30 = 730.77 : x
  2. Step 2: Convert to fraction form
    2,117.75/3,176.30 = 730.77/x
  3. Step 3: Cross multiply
    2,117.75x = 3,176.30 × 730.77
  4. Step 4: Simplify right side
    2,117.75x = 2,321,144.75
  5. Step 5: Solve for x
    x = 2,321,144.75/2,117.75
  6. Step 6: Final answer
    x = 1,096.04

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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.