Home / 1,765.39-2,648.54-1,035.61

Finding the Fourth Proportional to 1,765.39, 2,648.54 and 1,035.61

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Solution

The fourth proportional to 1,765.39, 2,648.54 and 1,035.61 is: 1,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.39 : 2,648.54 = 1,035.61 : x
  2. Step 2: Convert to fraction form
    1,765.39/2,648.54 = 1,035.61/x
  3. Step 3: Cross multiply
    1,765.39x = 2,648.54 × 1,035.61
  4. Step 4: Simplify right side
    1,765.39x = 2,742,849.33
  5. Step 5: Solve for x
    x = 2,742,849.33/1,765.39
  6. Step 6: Final answer
    x = 1,553.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.