Home / 3,136.36-4,328.08-1,719.97

Finding the Fourth Proportional to 3,136.36, 4,328.08 and 1,719.97

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Solution

The fourth proportional to 3,136.36, 4,328.08 and 1,719.97 is: 2,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.36 : 4,328.08 = 1,719.97 : x
  2. Step 2: Convert to fraction form
    3,136.36/4,328.08 = 1,719.97/x
  3. Step 3: Cross multiply
    3,136.36x = 4,328.08 × 1,719.97
  4. Step 4: Simplify right side
    3,136.36x = 7,444,168.87
  5. Step 5: Solve for x
    x = 7,444,168.87/3,136.36
  6. Step 6: Final answer
    x = 2,373.51

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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.