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Finding the Fourth Proportional to 2,296.12, 3,444.12 and 757.12

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Solution

The fourth proportional to 2,296.12, 3,444.12 and 757.12 is: 1,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.12 : 3,444.12 = 757.12 : x
  2. Step 2: Convert to fraction form
    2,296.12/3,444.12 = 757.12/x
  3. Step 3: Cross multiply
    2,296.12x = 3,444.12 × 757.12
  4. Step 4: Simplify right side
    2,296.12x = 2,607,612.13
  5. Step 5: Solve for x
    x = 2,607,612.13/2,296.12
  6. Step 6: Final answer
    x = 1,135.66

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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.