Home / 3,851.92-5,315.53-2,436.38

Finding the Fourth Proportional to 3,851.92, 5,315.53 and 2,436.38

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Solution

The fourth proportional to 3,851.92, 5,315.53 and 2,436.38 is: 3,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.92 : 5,315.53 = 2,436.38 : x
  2. Step 2: Convert to fraction form
    3,851.92/5,315.53 = 2,436.38/x
  3. Step 3: Cross multiply
    3,851.92x = 5,315.53 × 2,436.38
  4. Step 4: Simplify right side
    3,851.92x = 12,950,638.80
  5. Step 5: Solve for x
    x = 12,950,638.80/3,851.92
  6. Step 6: Final answer
    x = 3,362.13

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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.