Home / 2,610.90-3,910.26-2,558.70

Finding the Fourth Proportional to 2,610.90, 3,910.26 and 2,558.70

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Solution

The fourth proportional to 2,610.90, 3,910.26 and 2,558.70 is: 3,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.90 : 3,910.26 = 2,558.70 : x
  2. Step 2: Convert to fraction form
    2,610.90/3,910.26 = 2,558.70/x
  3. Step 3: Cross multiply
    2,610.90x = 3,910.26 × 2,558.70
  4. Step 4: Simplify right side
    2,610.90x = 10,005,182.26
  5. Step 5: Solve for x
    x = 10,005,182.26/2,610.90
  6. Step 6: Final answer
    x = 3,832.08

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1.5x scale

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.