Home / 3,851.00-5,777.52-1,511.15

Finding the Fourth Proportional to 3,851.00, 5,777.52 and 1,511.15

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Solution

The fourth proportional to 3,851.00, 5,777.52 and 1,511.15 is: 2,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.00 : 5,777.52 = 1,511.15 : x
  2. Step 2: Convert to fraction form
    3,851.00/5,777.52 = 1,511.15/x
  3. Step 3: Cross multiply
    3,851.00x = 5,777.52 × 1,511.15
  4. Step 4: Simplify right side
    3,851.00x = 8,730,677.35
  5. Step 5: Solve for x
    x = 8,730,677.35/3,851.00
  6. Step 6: Final answer
    x = 2,267.12

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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.