Home / 2,540.14-3,804.68-2,478.18

Finding the Fourth Proportional to 2,540.14, 3,804.68 and 2,478.18

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Solution

The fourth proportional to 2,540.14, 3,804.68 and 2,478.18 is: 3,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.14 : 3,804.68 = 2,478.18 : x
  2. Step 2: Convert to fraction form
    2,540.14/3,804.68 = 2,478.18/x
  3. Step 3: Cross multiply
    2,540.14x = 3,804.68 × 2,478.18
  4. Step 4: Simplify right side
    2,540.14x = 9,428,681.88
  5. Step 5: Solve for x
    x = 9,428,681.88/2,540.14
  6. Step 6: Final answer
    x = 3,711.87

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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.