Home / 3,814.12-5,263.77-2,136.07

Finding the Fourth Proportional to 3,814.12, 5,263.77 and 2,136.07

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Solution

The fourth proportional to 3,814.12, 5,263.77 and 2,136.07 is: 2,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.12 : 5,263.77 = 2,136.07 : x
  2. Step 2: Convert to fraction form
    3,814.12/5,263.77 = 2,136.07/x
  3. Step 3: Cross multiply
    3,814.12x = 5,263.77 × 2,136.07
  4. Step 4: Simplify right side
    3,814.12x = 11,243,781.18
  5. Step 5: Solve for x
    x = 11,243,781.18/3,814.12
  6. Step 6: Final answer
    x = 2,947.94

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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.