Home / 2,766.27-3,814.58-2,136.90

Finding the Fourth Proportional to 2,766.27, 3,814.58 and 2,136.90

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Solution

The fourth proportional to 2,766.27, 3,814.58 and 2,136.90 is: 2,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.27 : 3,814.58 = 2,136.90 : x
  2. Step 2: Convert to fraction form
    2,766.27/3,814.58 = 2,136.90/x
  3. Step 3: Cross multiply
    2,766.27x = 3,814.58 × 2,136.90
  4. Step 4: Simplify right side
    2,766.27x = 8,151,365.32
  5. Step 5: Solve for x
    x = 8,151,365.32/2,766.27
  6. Step 6: Final answer
    x = 2,946.70

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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.