Home / 1,960.20-2,937.79-1,370.63

Finding the Fourth Proportional to 1,960.20, 2,937.79 and 1,370.63

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Solution

The fourth proportional to 1,960.20, 2,937.79 and 1,370.63 is: 2,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.20 : 2,937.79 = 1,370.63 : x
  2. Step 2: Convert to fraction form
    1,960.20/2,937.79 = 1,370.63/x
  3. Step 3: Cross multiply
    1,960.20x = 2,937.79 × 1,370.63
  4. Step 4: Simplify right side
    1,960.20x = 4,026,623.11
  5. Step 5: Solve for x
    x = 4,026,623.11/1,960.20
  6. Step 6: Final answer
    x = 2,054.19

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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.