Home / 3,010.50-4,516.65-1,279.26

Finding the Fourth Proportional to 3,010.50, 4,516.65 and 1,279.26

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Solution

The fourth proportional to 3,010.50, 4,516.65 and 1,279.26 is: 1,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.50 : 4,516.65 = 1,279.26 : x
  2. Step 2: Convert to fraction form
    3,010.50/4,516.65 = 1,279.26/x
  3. Step 3: Cross multiply
    3,010.50x = 4,516.65 × 1,279.26
  4. Step 4: Simplify right side
    3,010.50x = 5,777,969.68
  5. Step 5: Solve for x
    x = 5,777,969.68/3,010.50
  6. Step 6: Final answer
    x = 1,919.27

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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.