Home / 1,765.18-2,436.24-1,009.09

Finding the Fourth Proportional to 1,765.18, 2,436.24 and 1,009.09

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Solution

The fourth proportional to 1,765.18, 2,436.24 and 1,009.09 is: 1,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.18 : 2,436.24 = 1,009.09 : x
  2. Step 2: Convert to fraction form
    1,765.18/2,436.24 = 1,009.09/x
  3. Step 3: Cross multiply
    1,765.18x = 2,436.24 × 1,009.09
  4. Step 4: Simplify right side
    1,765.18x = 2,458,385.42
  5. Step 5: Solve for x
    x = 2,458,385.42/1,765.18
  6. Step 6: Final answer
    x = 1,392.71

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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.