Home / 2,285.10-3,151.44-1,659.78

Finding the Fourth Proportional to 2,285.10, 3,151.44 and 1,659.78

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Solution

The fourth proportional to 2,285.10, 3,151.44 and 1,659.78 is: 2,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.10 : 3,151.44 = 1,659.78 : x
  2. Step 2: Convert to fraction form
    2,285.10/3,151.44 = 1,659.78/x
  3. Step 3: Cross multiply
    2,285.10x = 3,151.44 × 1,659.78
  4. Step 4: Simplify right side
    2,285.10x = 5,230,697.08
  5. Step 5: Solve for x
    x = 5,230,697.08/2,285.10
  6. Step 6: Final answer
    x = 2,289.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.