Home / 3,865.65-5,788.08-3,180.59

Finding the Fourth Proportional to 3,865.65, 5,788.08 and 3,180.59

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Solution

The fourth proportional to 3,865.65, 5,788.08 and 3,180.59 is: 4,762.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.65 : 5,788.08 = 3,180.59 : x
  2. Step 2: Convert to fraction form
    3,865.65/5,788.08 = 3,180.59/x
  3. Step 3: Cross multiply
    3,865.65x = 5,788.08 × 3,180.59
  4. Step 4: Simplify right side
    3,865.65x = 18,409,509.37
  5. Step 5: Solve for x
    x = 18,409,509.37/3,865.65
  6. Step 6: Final answer
    x = 4,762.33

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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.