Home / 3,089.87-4,631.28-1,334.49

Finding the Fourth Proportional to 3,089.87, 4,631.28 and 1,334.49

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Solution

The fourth proportional to 3,089.87, 4,631.28 and 1,334.49 is: 2,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.87 : 4,631.28 = 1,334.49 : x
  2. Step 2: Convert to fraction form
    3,089.87/4,631.28 = 1,334.49/x
  3. Step 3: Cross multiply
    3,089.87x = 4,631.28 × 1,334.49
  4. Step 4: Simplify right side
    3,089.87x = 6,180,396.85
  5. Step 5: Solve for x
    x = 6,180,396.85/3,089.87
  6. Step 6: Final answer
    x = 2,000.21

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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.