Home / 4,148.87-5,721.05-2,656.85

Finding the Fourth Proportional to 4,148.87, 5,721.05 and 2,656.85

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Solution

The fourth proportional to 4,148.87, 5,721.05 and 2,656.85 is: 3,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.87 : 5,721.05 = 2,656.85 : x
  2. Step 2: Convert to fraction form
    4,148.87/5,721.05 = 2,656.85/x
  3. Step 3: Cross multiply
    4,148.87x = 5,721.05 × 2,656.85
  4. Step 4: Simplify right side
    4,148.87x = 15,199,958.41
  5. Step 5: Solve for x
    x = 15,199,958.41/4,148.87
  6. Step 6: Final answer
    x = 3,663.64

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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.