Home / 3,815.24-5,264.60-2,136.51

Finding the Fourth Proportional to 3,815.24, 5,264.60 and 2,136.51

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Solution

The fourth proportional to 3,815.24, 5,264.60 and 2,136.51 is: 2,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.24 : 5,264.60 = 2,136.51 : x
  2. Step 2: Convert to fraction form
    3,815.24/5,264.60 = 2,136.51/x
  3. Step 3: Cross multiply
    3,815.24x = 5,264.60 × 2,136.51
  4. Step 4: Simplify right side
    3,815.24x = 11,247,859.86
  5. Step 5: Solve for x
    x = 11,247,859.86/3,815.24
  6. Step 6: Final answer
    x = 2,948.14

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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.