Home / 2,935.27-4,380.86-2,538.20

Finding the Fourth Proportional to 2,935.27, 4,380.86 and 2,538.20

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Solution

The fourth proportional to 2,935.27, 4,380.86 and 2,538.20 is: 3,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.27 : 4,380.86 = 2,538.20 : x
  2. Step 2: Convert to fraction form
    2,935.27/4,380.86 = 2,538.20/x
  3. Step 3: Cross multiply
    2,935.27x = 4,380.86 × 2,538.20
  4. Step 4: Simplify right side
    2,935.27x = 11,119,464.26
  5. Step 5: Solve for x
    x = 11,119,464.26/2,935.27
  6. Step 6: Final answer
    x = 3,788.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.