Home / 2,149.30-2,965.17-1,558.54

Finding the Fourth Proportional to 2,149.30, 2,965.17 and 1,558.54

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Solution

The fourth proportional to 2,149.30, 2,965.17 and 1,558.54 is: 2,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.30 : 2,965.17 = 1,558.54 : x
  2. Step 2: Convert to fraction form
    2,149.30/2,965.17 = 1,558.54/x
  3. Step 3: Cross multiply
    2,149.30x = 2,965.17 × 1,558.54
  4. Step 4: Simplify right side
    2,149.30x = 4,621,336.05
  5. Step 5: Solve for x
    x = 4,621,336.05/2,149.30
  6. Step 6: Final answer
    x = 2,150.16

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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.