Home / 3,852.86-5,776.68-1,511.40

Finding the Fourth Proportional to 3,852.86, 5,776.68 and 1,511.40

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Solution

The fourth proportional to 3,852.86, 5,776.68 and 1,511.40 is: 2,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.86 : 5,776.68 = 1,511.40 : x
  2. Step 2: Convert to fraction form
    3,852.86/5,776.68 = 1,511.40/x
  3. Step 3: Cross multiply
    3,852.86x = 5,776.68 × 1,511.40
  4. Step 4: Simplify right side
    3,852.86x = 8,730,874.15
  5. Step 5: Solve for x
    x = 8,730,874.15/3,852.86
  6. Step 6: Final answer
    x = 2,266.08

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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.