Home / 3,511.66-5,267.48-2,415.72

Finding the Fourth Proportional to 3,511.66, 5,267.48 and 2,415.72

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Solution

The fourth proportional to 3,511.66, 5,267.48 and 2,415.72 is: 3,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.66 : 5,267.48 = 2,415.72 : x
  2. Step 2: Convert to fraction form
    3,511.66/5,267.48 = 2,415.72/x
  3. Step 3: Cross multiply
    3,511.66x = 5,267.48 × 2,415.72
  4. Step 4: Simplify right side
    3,511.66x = 12,724,756.79
  5. Step 5: Solve for x
    x = 12,724,756.79/3,511.66
  6. Step 6: Final answer
    x = 3,623.57

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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.