Home / 1,732.56-2,391.50-1,379.13

Finding the Fourth Proportional to 1,732.56, 2,391.50 and 1,379.13

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Solution

The fourth proportional to 1,732.56, 2,391.50 and 1,379.13 is: 1,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.56 : 2,391.50 = 1,379.13 : x
  2. Step 2: Convert to fraction form
    1,732.56/2,391.50 = 1,379.13/x
  3. Step 3: Cross multiply
    1,732.56x = 2,391.50 × 1,379.13
  4. Step 4: Simplify right side
    1,732.56x = 3,298,192.84
  5. Step 5: Solve for x
    x = 3,298,192.84/1,732.56
  6. Step 6: Final answer
    x = 1,903.65

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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.