Home / 3,136.34-4,326.36-2,764.23

Finding the Fourth Proportional to 3,136.34, 4,326.36 and 2,764.23

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Solution

The fourth proportional to 3,136.34, 4,326.36 and 2,764.23 is: 3,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.34 : 4,326.36 = 2,764.23 : x
  2. Step 2: Convert to fraction form
    3,136.34/4,326.36 = 2,764.23/x
  3. Step 3: Cross multiply
    3,136.34x = 4,326.36 × 2,764.23
  4. Step 4: Simplify right side
    3,136.34x = 11,959,054.10
  5. Step 5: Solve for x
    x = 11,959,054.10/3,136.34
  6. Step 6: Final answer
    x = 3,813.07

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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.