Home / 1,945.09-2,684.11-1,060.87

Finding the Fourth Proportional to 1,945.09, 2,684.11 and 1,060.87

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Solution

The fourth proportional to 1,945.09, 2,684.11 and 1,060.87 is: 1,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.09 : 2,684.11 = 1,060.87 : x
  2. Step 2: Convert to fraction form
    1,945.09/2,684.11 = 1,060.87/x
  3. Step 3: Cross multiply
    1,945.09x = 2,684.11 × 1,060.87
  4. Step 4: Simplify right side
    1,945.09x = 2,847,491.78
  5. Step 5: Solve for x
    x = 2,847,491.78/1,945.09
  6. Step 6: Final answer
    x = 1,463.94

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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.