Home / 3,811.01-5,256.23-2,551.66

Finding the Fourth Proportional to 3,811.01, 5,256.23 and 2,551.66

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Solution

The fourth proportional to 3,811.01, 5,256.23 and 2,551.66 is: 3,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.01 : 5,256.23 = 2,551.66 : x
  2. Step 2: Convert to fraction form
    3,811.01/5,256.23 = 2,551.66/x
  3. Step 3: Cross multiply
    3,811.01x = 5,256.23 × 2,551.66
  4. Step 4: Simplify right side
    3,811.01x = 13,412,085.94
  5. Step 5: Solve for x
    x = 13,412,085.94/3,811.01
  6. Step 6: Final answer
    x = 3,519.30

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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.