Home / 3,240.86-4,860.07-2,555.60

Finding the Fourth Proportional to 3,240.86, 4,860.07 and 2,555.60

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Solution

The fourth proportional to 3,240.86, 4,860.07 and 2,555.60 is: 3,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.86 : 4,860.07 = 2,555.60 : x
  2. Step 2: Convert to fraction form
    3,240.86/4,860.07 = 2,555.60/x
  3. Step 3: Cross multiply
    3,240.86x = 4,860.07 × 2,555.60
  4. Step 4: Simplify right side
    3,240.86x = 12,420,382.74
  5. Step 5: Solve for x
    x = 12,420,382.74/3,240.86
  6. Step 6: Final answer
    x = 3,832.44

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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.