Home / 3,268.78-4,507.86-2,521.56

Finding the Fourth Proportional to 3,268.78, 4,507.86 and 2,521.56

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Solution

The fourth proportional to 3,268.78, 4,507.86 and 2,521.56 is: 3,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.78 : 4,507.86 = 2,521.56 : x
  2. Step 2: Convert to fraction form
    3,268.78/4,507.86 = 2,521.56/x
  3. Step 3: Cross multiply
    3,268.78x = 4,507.86 × 2,521.56
  4. Step 4: Simplify right side
    3,268.78x = 11,366,839.46
  5. Step 5: Solve for x
    x = 11,366,839.46/3,268.78
  6. Step 6: Final answer
    x = 3,477.40

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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.