Home / 1,749.30-2,414.36-1,379.18

Finding the Fourth Proportional to 1,749.30, 2,414.36 and 1,379.18

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Solution

The fourth proportional to 1,749.30, 2,414.36 and 1,379.18 is: 1,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.30 : 2,414.36 = 1,379.18 : x
  2. Step 2: Convert to fraction form
    1,749.30/2,414.36 = 1,379.18/x
  3. Step 3: Cross multiply
    1,749.30x = 2,414.36 × 1,379.18
  4. Step 4: Simplify right side
    1,749.30x = 3,329,825.17
  5. Step 5: Solve for x
    x = 3,329,825.17/1,749.30
  6. Step 6: Final answer
    x = 1,903.52

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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.