Home / 3,526.29-5,289.30-1,187.73

Finding the Fourth Proportional to 3,526.29, 5,289.30 and 1,187.73

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Solution

The fourth proportional to 3,526.29, 5,289.30 and 1,187.73 is: 1,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.29 : 5,289.30 = 1,187.73 : x
  2. Step 2: Convert to fraction form
    3,526.29/5,289.30 = 1,187.73/x
  3. Step 3: Cross multiply
    3,526.29x = 5,289.30 × 1,187.73
  4. Step 4: Simplify right side
    3,526.29x = 6,282,260.29
  5. Step 5: Solve for x
    x = 6,282,260.29/3,526.29
  6. Step 6: Final answer
    x = 1,781.55

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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.