Home / 3,820.59-5,732.51-2,087.19

Finding the Fourth Proportional to 3,820.59, 5,732.51 and 2,087.19

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Solution

The fourth proportional to 3,820.59, 5,732.51 and 2,087.19 is: 3,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.59 : 5,732.51 = 2,087.19 : x
  2. Step 2: Convert to fraction form
    3,820.59/5,732.51 = 2,087.19/x
  3. Step 3: Cross multiply
    3,820.59x = 5,732.51 × 2,087.19
  4. Step 4: Simplify right side
    3,820.59x = 11,964,827.11
  5. Step 5: Solve for x
    x = 11,964,827.11/3,820.59
  6. Step 6: Final answer
    x = 3,131.67

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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.