Home / 1,937.92-2,674.70-1,308.44

Finding the Fourth Proportional to 1,937.92, 2,674.70 and 1,308.44

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Solution

The fourth proportional to 1,937.92, 2,674.70 and 1,308.44 is: 1,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.92 : 2,674.70 = 1,308.44 : x
  2. Step 2: Convert to fraction form
    1,937.92/2,674.70 = 1,308.44/x
  3. Step 3: Cross multiply
    1,937.92x = 2,674.70 × 1,308.44
  4. Step 4: Simplify right side
    1,937.92x = 3,499,684.47
  5. Step 5: Solve for x
    x = 3,499,684.47/1,937.92
  6. Step 6: Final answer
    x = 1,805.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.