Home / 1,765.73-2,438.08-1,206.22

Finding the Fourth Proportional to 1,765.73, 2,438.08 and 1,206.22

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Solution

The fourth proportional to 1,765.73, 2,438.08 and 1,206.22 is: 1,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.73 : 2,438.08 = 1,206.22 : x
  2. Step 2: Convert to fraction form
    1,765.73/2,438.08 = 1,206.22/x
  3. Step 3: Cross multiply
    1,765.73x = 2,438.08 × 1,206.22
  4. Step 4: Simplify right side
    1,765.73x = 2,940,848.67
  5. Step 5: Solve for x
    x = 2,940,848.67/1,765.73
  6. Step 6: Final answer
    x = 1,665.52

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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.