Home / 3,278.58-4,521.27-2,491.26

Finding the Fourth Proportional to 3,278.58, 4,521.27 and 2,491.26

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Solution

The fourth proportional to 3,278.58, 4,521.27 and 2,491.26 is: 3,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.58 : 4,521.27 = 2,491.26 : x
  2. Step 2: Convert to fraction form
    3,278.58/4,521.27 = 2,491.26/x
  3. Step 3: Cross multiply
    3,278.58x = 4,521.27 × 2,491.26
  4. Step 4: Simplify right side
    3,278.58x = 11,263,659.10
  5. Step 5: Solve for x
    x = 11,263,659.10/3,278.58
  6. Step 6: Final answer
    x = 3,435.53

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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.