Home / 1,960.38-2,937.06-1,409.58

Finding the Fourth Proportional to 1,960.38, 2,937.06 and 1,409.58

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Solution

The fourth proportional to 1,960.38, 2,937.06 and 1,409.58 is: 2,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.38 : 2,937.06 = 1,409.58 : x
  2. Step 2: Convert to fraction form
    1,960.38/2,937.06 = 1,409.58/x
  3. Step 3: Cross multiply
    1,960.38x = 2,937.06 × 1,409.58
  4. Step 4: Simplify right side
    1,960.38x = 4,140,021.03
  5. Step 5: Solve for x
    x = 4,140,021.03/1,960.38
  6. Step 6: Final answer
    x = 2,111.85

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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.