Home / 3,719.48-5,573.12-2,621.92

Finding the Fourth Proportional to 3,719.48, 5,573.12 and 2,621.92

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Solution

The fourth proportional to 3,719.48, 5,573.12 and 2,621.92 is: 3,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.48 : 5,573.12 = 2,621.92 : x
  2. Step 2: Convert to fraction form
    3,719.48/5,573.12 = 2,621.92/x
  3. Step 3: Cross multiply
    3,719.48x = 5,573.12 × 2,621.92
  4. Step 4: Simplify right side
    3,719.48x = 14,612,274.79
  5. Step 5: Solve for x
    x = 14,612,274.79/3,719.48
  6. Step 6: Final answer
    x = 3,928.58

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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.