Home / 3,585.89-5,378.54-1,637.96

Finding the Fourth Proportional to 3,585.89, 5,378.54 and 1,637.96

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Solution

The fourth proportional to 3,585.89, 5,378.54 and 1,637.96 is: 2,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.89 : 5,378.54 = 1,637.96 : x
  2. Step 2: Convert to fraction form
    3,585.89/5,378.54 = 1,637.96/x
  3. Step 3: Cross multiply
    3,585.89x = 5,378.54 × 1,637.96
  4. Step 4: Simplify right side
    3,585.89x = 8,809,798.30
  5. Step 5: Solve for x
    x = 8,809,798.30/3,585.89
  6. Step 6: Final answer
    x = 2,456.79

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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.