Home / 3,136.12-4,694.93-2,318.05

Finding the Fourth Proportional to 3,136.12, 4,694.93 and 2,318.05

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Solution

The fourth proportional to 3,136.12, 4,694.93 and 2,318.05 is: 3,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.12 : 4,694.93 = 2,318.05 : x
  2. Step 2: Convert to fraction form
    3,136.12/4,694.93 = 2,318.05/x
  3. Step 3: Cross multiply
    3,136.12x = 4,694.93 × 2,318.05
  4. Step 4: Simplify right side
    3,136.12x = 10,883,082.49
  5. Step 5: Solve for x
    x = 10,883,082.49/3,136.12
  6. Step 6: Final answer
    x = 3,470.24

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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.