Home / 2,600.11-3,582.25-1,971.55

Finding the Fourth Proportional to 2,600.11, 3,582.25 and 1,971.55

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Solution

The fourth proportional to 2,600.11, 3,582.25 and 1,971.55 is: 2,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.11 : 3,582.25 = 1,971.55 : x
  2. Step 2: Convert to fraction form
    2,600.11/3,582.25 = 1,971.55/x
  3. Step 3: Cross multiply
    2,600.11x = 3,582.25 × 1,971.55
  4. Step 4: Simplify right side
    2,600.11x = 7,062,584.99
  5. Step 5: Solve for x
    x = 7,062,584.99/2,600.11
  6. Step 6: Final answer
    x = 2,716.26

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1.5x scale

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.