Home / 3,098.85-4,282.58-2,538.44

Finding the Fourth Proportional to 3,098.85, 4,282.58 and 2,538.44

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Solution

The fourth proportional to 3,098.85, 4,282.58 and 2,538.44 is: 3,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.85 : 4,282.58 = 2,538.44 : x
  2. Step 2: Convert to fraction form
    3,098.85/4,282.58 = 2,538.44/x
  3. Step 3: Cross multiply
    3,098.85x = 4,282.58 × 2,538.44
  4. Step 4: Simplify right side
    3,098.85x = 10,871,038.27
  5. Step 5: Solve for x
    x = 10,871,038.27/3,098.85
  6. Step 6: Final answer
    x = 3,508.09

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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.