Home / 3,538.90-4,882.84-2,280.34

Finding the Fourth Proportional to 3,538.90, 4,882.84 and 2,280.34

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Solution

The fourth proportional to 3,538.90, 4,882.84 and 2,280.34 is: 3,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.90 : 4,882.84 = 2,280.34 : x
  2. Step 2: Convert to fraction form
    3,538.90/4,882.84 = 2,280.34/x
  3. Step 3: Cross multiply
    3,538.90x = 4,882.84 × 2,280.34
  4. Step 4: Simplify right side
    3,538.90x = 11,134,535.37
  5. Step 5: Solve for x
    x = 11,134,535.37/3,538.90
  6. Step 6: Final answer
    x = 3,146.33

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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.