Home / 3,136.47-4,324.10-2,603.43

Finding the Fourth Proportional to 3,136.47, 4,324.10 and 2,603.43

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Solution

The fourth proportional to 3,136.47, 4,324.10 and 2,603.43 is: 3,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.47 : 4,324.10 = 2,603.43 : x
  2. Step 2: Convert to fraction form
    3,136.47/4,324.10 = 2,603.43/x
  3. Step 3: Cross multiply
    3,136.47x = 4,324.10 × 2,603.43
  4. Step 4: Simplify right side
    3,136.47x = 11,257,478.65
  5. Step 5: Solve for x
    x = 11,257,478.65/3,136.47
  6. Step 6: Final answer
    x = 3,589.22

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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.