Home / 3,613.89-4,981.73-2,826.57

Finding the Fourth Proportional to 3,613.89, 4,981.73 and 2,826.57

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Solution

The fourth proportional to 3,613.89, 4,981.73 and 2,826.57 is: 3,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.89 : 4,981.73 = 2,826.57 : x
  2. Step 2: Convert to fraction form
    3,613.89/4,981.73 = 2,826.57/x
  3. Step 3: Cross multiply
    3,613.89x = 4,981.73 × 2,826.57
  4. Step 4: Simplify right side
    3,613.89x = 14,081,194.43
  5. Step 5: Solve for x
    x = 14,081,194.43/3,613.89
  6. Step 6: Final answer
    x = 3,896.41

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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.