Home / 1,937.40-2,906.26-1,162.70

Finding the Fourth Proportional to 1,937.40, 2,906.26 and 1,162.70

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Solution

The fourth proportional to 1,937.40, 2,906.26 and 1,162.70 is: 1,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.40 : 2,906.26 = 1,162.70 : x
  2. Step 2: Convert to fraction form
    1,937.40/2,906.26 = 1,162.70/x
  3. Step 3: Cross multiply
    1,937.40x = 2,906.26 × 1,162.70
  4. Step 4: Simplify right side
    1,937.40x = 3,379,108.50
  5. Step 5: Solve for x
    x = 3,379,108.50/1,937.40
  6. Step 6: Final answer
    x = 1,744.15

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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.