Home / 3,811.40-5,720.32-1,504.52

Finding the Fourth Proportional to 3,811.40, 5,720.32 and 1,504.52

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Solution

The fourth proportional to 3,811.40, 5,720.32 and 1,504.52 is: 2,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.40 : 5,720.32 = 1,504.52 : x
  2. Step 2: Convert to fraction form
    3,811.40/5,720.32 = 1,504.52/x
  3. Step 3: Cross multiply
    3,811.40x = 5,720.32 × 1,504.52
  4. Step 4: Simplify right side
    3,811.40x = 8,606,335.85
  5. Step 5: Solve for x
    x = 8,606,335.85/3,811.40
  6. Step 6: Final answer
    x = 2,258.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.