Home / 3,819.64-5,724.02-2,259.96

Finding the Fourth Proportional to 3,819.64, 5,724.02 and 2,259.96

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Solution

The fourth proportional to 3,819.64, 5,724.02 and 2,259.96 is: 3,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.64 : 5,724.02 = 2,259.96 : x
  2. Step 2: Convert to fraction form
    3,819.64/5,724.02 = 2,259.96/x
  3. Step 3: Cross multiply
    3,819.64x = 5,724.02 × 2,259.96
  4. Step 4: Simplify right side
    3,819.64x = 12,936,056.24
  5. Step 5: Solve for x
    x = 12,936,056.24/3,819.64
  6. Step 6: Final answer
    x = 3,386.72

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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.