Home / 3,511.22-5,287.67-3,126.74

Finding the Fourth Proportional to 3,511.22, 5,287.67 and 3,126.74

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Solution

The fourth proportional to 3,511.22, 5,287.67 and 3,126.74 is: 4,708.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.22 : 5,287.67 = 3,126.74 : x
  2. Step 2: Convert to fraction form
    3,511.22/5,287.67 = 3,126.74/x
  3. Step 3: Cross multiply
    3,511.22x = 5,287.67 × 3,126.74
  4. Step 4: Simplify right side
    3,511.22x = 16,533,153.66
  5. Step 5: Solve for x
    x = 16,533,153.66/3,511.22
  6. Step 6: Final answer
    x = 4,708.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.