Home / 3,328.32-4,987.86-2,505.68

Finding the Fourth Proportional to 3,328.32, 4,987.86 and 2,505.68

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Solution

The fourth proportional to 3,328.32, 4,987.86 and 2,505.68 is: 3,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.32 : 4,987.86 = 2,505.68 : x
  2. Step 2: Convert to fraction form
    3,328.32/4,987.86 = 2,505.68/x
  3. Step 3: Cross multiply
    3,328.32x = 4,987.86 × 2,505.68
  4. Step 4: Simplify right side
    3,328.32x = 12,498,007.56
  5. Step 5: Solve for x
    x = 12,498,007.56/3,328.32
  6. Step 6: Final answer
    x = 3,755.05

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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.