Home / 3,136.36-4,326.96-2,017.15

Finding the Fourth Proportional to 3,136.36, 4,326.96 and 2,017.15

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Solution

The fourth proportional to 3,136.36, 4,326.96 and 2,017.15 is: 2,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.36 : 4,326.96 = 2,017.15 : x
  2. Step 2: Convert to fraction form
    3,136.36/4,326.96 = 2,017.15/x
  3. Step 3: Cross multiply
    3,136.36x = 4,326.96 × 2,017.15
  4. Step 4: Simplify right side
    3,136.36x = 8,728,127.36
  5. Step 5: Solve for x
    x = 8,728,127.36/3,136.36
  6. Step 6: Final answer
    x = 2,782.88

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1.5x scale

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.