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Finding the Fourth Proportional to 2,105.14, 3,159.12 and 737.14

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Solution

The fourth proportional to 2,105.14, 3,159.12 and 737.14 is: 1,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105.14 : 3,159.12 = 737.14 : x
  2. Step 2: Convert to fraction form
    2,105.14/3,159.12 = 737.14/x
  3. Step 3: Cross multiply
    2,105.14x = 3,159.12 × 737.14
  4. Step 4: Simplify right side
    2,105.14x = 2,328,713.72
  5. Step 5: Solve for x
    x = 2,328,713.72/2,105.14
  6. Step 6: Final answer
    x = 1,106.20

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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.