Home / 3,081.95-4,628.47-2,834.71

Finding the Fourth Proportional to 3,081.95, 4,628.47 and 2,834.71

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Solution

The fourth proportional to 3,081.95, 4,628.47 and 2,834.71 is: 4,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.95 : 4,628.47 = 2,834.71 : x
  2. Step 2: Convert to fraction form
    3,081.95/4,628.47 = 2,834.71/x
  3. Step 3: Cross multiply
    3,081.95x = 4,628.47 × 2,834.71
  4. Step 4: Simplify right side
    3,081.95x = 13,120,370.19
  5. Step 5: Solve for x
    x = 13,120,370.19/3,081.95
  6. Step 6: Final answer
    x = 4,257.17

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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.