Home / 2,861.68-4,293.90-1,563.11

Finding the Fourth Proportional to 2,861.68, 4,293.90 and 1,563.11

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Solution

The fourth proportional to 2,861.68, 4,293.90 and 1,563.11 is: 2,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.68 : 4,293.90 = 1,563.11 : x
  2. Step 2: Convert to fraction form
    2,861.68/4,293.90 = 1,563.11/x
  3. Step 3: Cross multiply
    2,861.68x = 4,293.90 × 1,563.11
  4. Step 4: Simplify right side
    2,861.68x = 6,711,838.03
  5. Step 5: Solve for x
    x = 6,711,838.03/2,861.68
  6. Step 6: Final answer
    x = 2,345.42

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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.