Home / 3,814.74-5,263.80-2,136.06

Finding the Fourth Proportional to 3,814.74, 5,263.80 and 2,136.06

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Solution

The fourth proportional to 3,814.74, 5,263.80 and 2,136.06 is: 2,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.74 : 5,263.80 = 2,136.06 : x
  2. Step 2: Convert to fraction form
    3,814.74/5,263.80 = 2,136.06/x
  3. Step 3: Cross multiply
    3,814.74x = 5,263.80 × 2,136.06
  4. Step 4: Simplify right side
    3,814.74x = 11,243,792.63
  5. Step 5: Solve for x
    x = 11,243,792.63/3,814.74
  6. Step 6: Final answer
    x = 2,947.46

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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.