Home / 3,124.91-4,685.03-1,892.02

Finding the Fourth Proportional to 3,124.91, 4,685.03 and 1,892.02

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Solution

The fourth proportional to 3,124.91, 4,685.03 and 1,892.02 is: 2,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.91 : 4,685.03 = 1,892.02 : x
  2. Step 2: Convert to fraction form
    3,124.91/4,685.03 = 1,892.02/x
  3. Step 3: Cross multiply
    3,124.91x = 4,685.03 × 1,892.02
  4. Step 4: Simplify right side
    3,124.91x = 8,864,170.46
  5. Step 5: Solve for x
    x = 8,864,170.46/3,124.91
  6. Step 6: Final answer
    x = 2,836.62

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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.