Home / 3,136.33-4,327.90-1,719.79

Finding the Fourth Proportional to 3,136.33, 4,327.90 and 1,719.79

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Solution

The fourth proportional to 3,136.33, 4,327.90 and 1,719.79 is: 2,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.33 : 4,327.90 = 1,719.79 : x
  2. Step 2: Convert to fraction form
    3,136.33/4,327.90 = 1,719.79/x
  3. Step 3: Cross multiply
    3,136.33x = 4,327.90 × 1,719.79
  4. Step 4: Simplify right side
    3,136.33x = 7,443,079.14
  5. Step 5: Solve for x
    x = 7,443,079.14/3,136.33
  6. Step 6: Final answer
    x = 2,373.18

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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.