Home / 3,151.98-4,729.05-1,396.44

Finding the Fourth Proportional to 3,151.98, 4,729.05 and 1,396.44

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Solution

The fourth proportional to 3,151.98, 4,729.05 and 1,396.44 is: 2,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.98 : 4,729.05 = 1,396.44 : x
  2. Step 2: Convert to fraction form
    3,151.98/4,729.05 = 1,396.44/x
  3. Step 3: Cross multiply
    3,151.98x = 4,729.05 × 1,396.44
  4. Step 4: Simplify right side
    3,151.98x = 6,603,834.58
  5. Step 5: Solve for x
    x = 6,603,834.58/3,151.98
  6. Step 6: Final answer
    x = 2,095.14

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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.