Home / 3,719.76-5,586.24-2,190.48

Finding the Fourth Proportional to 3,719.76, 5,586.24 and 2,190.48

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Solution

The fourth proportional to 3,719.76, 5,586.24 and 2,190.48 is: 3,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.76 : 5,586.24 = 2,190.48 : x
  2. Step 2: Convert to fraction form
    3,719.76/5,586.24 = 2,190.48/x
  3. Step 3: Cross multiply
    3,719.76x = 5,586.24 × 2,190.48
  4. Step 4: Simplify right side
    3,719.76x = 12,236,547.00
  5. Step 5: Solve for x
    x = 12,236,547.00/3,719.76
  6. Step 6: Final answer
    x = 3,289.61

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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.