Home / 3,091.95-4,640.36-1,144.71

Finding the Fourth Proportional to 3,091.95, 4,640.36 and 1,144.71

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Solution

The fourth proportional to 3,091.95, 4,640.36 and 1,144.71 is: 1,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.95 : 4,640.36 = 1,144.71 : x
  2. Step 2: Convert to fraction form
    3,091.95/4,640.36 = 1,144.71/x
  3. Step 3: Cross multiply
    3,091.95x = 4,640.36 × 1,144.71
  4. Step 4: Simplify right side
    3,091.95x = 5,311,860.77
  5. Step 5: Solve for x
    x = 5,311,860.77/3,091.95
  6. Step 6: Final answer
    x = 1,717.96

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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.