Home / 2,222.17-3,333.26-761.44

Finding the Fourth Proportional to 2,222.17, 3,333.26 and 761.44

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Solution

The fourth proportional to 2,222.17, 3,333.26 and 761.44 is: 1,142.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.17 : 3,333.26 = 761.44 : x
  2. Step 2: Convert to fraction form
    2,222.17/3,333.26 = 761.44/x
  3. Step 3: Cross multiply
    2,222.17x = 3,333.26 × 761.44
  4. Step 4: Simplify right side
    2,222.17x = 2,538,077.49
  5. Step 5: Solve for x
    x = 2,538,077.49/2,222.17
  6. Step 6: Final answer
    x = 1,142.16

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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.