Home / 2,659.08-3,989.70-1,563.96

Finding the Fourth Proportional to 2,659.08, 3,989.70 and 1,563.96

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Solution

The fourth proportional to 2,659.08, 3,989.70 and 1,563.96 is: 2,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.08 : 3,989.70 = 1,563.96 : x
  2. Step 2: Convert to fraction form
    2,659.08/3,989.70 = 1,563.96/x
  3. Step 3: Cross multiply
    2,659.08x = 3,989.70 × 1,563.96
  4. Step 4: Simplify right side
    2,659.08x = 6,239,731.21
  5. Step 5: Solve for x
    x = 6,239,731.21/2,659.08
  6. Step 6: Final answer
    x = 2,346.58

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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.