Home / 1,305.30-1,796.90-1,010.46

Finding the Fourth Proportional to 1,305.30, 1,796.90 and 1,010.46

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Solution

The fourth proportional to 1,305.30, 1,796.90 and 1,010.46 is: 1,391.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.30 : 1,796.90 = 1,010.46 : x
  2. Step 2: Convert to fraction form
    1,305.30/1,796.90 = 1,010.46/x
  3. Step 3: Cross multiply
    1,305.30x = 1,796.90 × 1,010.46
  4. Step 4: Simplify right side
    1,305.30x = 1,815,695.57
  5. Step 5: Solve for x
    x = 1,815,695.57/1,305.30
  6. Step 6: Final answer
    x = 1,391.02

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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.