Home / 2,650.41-3,974.85-1,069.13

Finding the Fourth Proportional to 2,650.41, 3,974.85 and 1,069.13

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Solution

The fourth proportional to 2,650.41, 3,974.85 and 1,069.13 is: 1,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.41 : 3,974.85 = 1,069.13 : x
  2. Step 2: Convert to fraction form
    2,650.41/3,974.85 = 1,069.13/x
  3. Step 3: Cross multiply
    2,650.41x = 3,974.85 × 1,069.13
  4. Step 4: Simplify right side
    2,650.41x = 4,249,631.38
  5. Step 5: Solve for x
    x = 4,249,631.38/2,650.41
  6. Step 6: Final answer
    x = 1,603.39

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Similar ratio
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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.