Home / 3,136.05-4,327.74-1,719.77

Finding the Fourth Proportional to 3,136.05, 4,327.74 and 1,719.77

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Solution

The fourth proportional to 3,136.05, 4,327.74 and 1,719.77 is: 2,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.05 : 4,327.74 = 1,719.77 : x
  2. Step 2: Convert to fraction form
    3,136.05/4,327.74 = 1,719.77/x
  3. Step 3: Cross multiply
    3,136.05x = 4,327.74 × 1,719.77
  4. Step 4: Simplify right side
    3,136.05x = 7,442,695.78
  5. Step 5: Solve for x
    x = 7,442,695.78/3,136.05
  6. Step 6: Final answer
    x = 2,373.27

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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.