Home / 2,578.80-3,867.53-1,756.92

Finding the Fourth Proportional to 2,578.80, 3,867.53 and 1,756.92

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Solution

The fourth proportional to 2,578.80, 3,867.53 and 1,756.92 is: 2,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.80 : 3,867.53 = 1,756.92 : x
  2. Step 2: Convert to fraction form
    2,578.80/3,867.53 = 1,756.92/x
  3. Step 3: Cross multiply
    2,578.80x = 3,867.53 × 1,756.92
  4. Step 4: Simplify right side
    2,578.80x = 6,794,932.02
  5. Step 5: Solve for x
    x = 6,794,932.02/2,578.80
  6. Step 6: Final answer
    x = 2,634.92

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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.