Home / 3,727.90-5,136.39-2,783.32

Finding the Fourth Proportional to 3,727.90, 5,136.39 and 2,783.32

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Solution

The fourth proportional to 3,727.90, 5,136.39 and 2,783.32 is: 3,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.90 : 5,136.39 = 2,783.32 : x
  2. Step 2: Convert to fraction form
    3,727.90/5,136.39 = 2,783.32/x
  3. Step 3: Cross multiply
    3,727.90x = 5,136.39 × 2,783.32
  4. Step 4: Simplify right side
    3,727.90x = 14,296,217.01
  5. Step 5: Solve for x
    x = 14,296,217.01/3,727.90
  6. Step 6: Final answer
    x = 3,834.93

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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.