Home / 1,459.49-2,015.80-1,161.73

Finding the Fourth Proportional to 1,459.49, 2,015.80 and 1,161.73

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Solution

The fourth proportional to 1,459.49, 2,015.80 and 1,161.73 is: 1,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.49 : 2,015.80 = 1,161.73 : x
  2. Step 2: Convert to fraction form
    1,459.49/2,015.80 = 1,161.73/x
  3. Step 3: Cross multiply
    1,459.49x = 2,015.80 × 1,161.73
  4. Step 4: Simplify right side
    1,459.49x = 2,341,827.15
  5. Step 5: Solve for x
    x = 2,341,827.15/1,459.49
  6. Step 6: Final answer
    x = 1,604.56

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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.