Home / 3,124.22-4,688.15-2,245.77

Finding the Fourth Proportional to 3,124.22, 4,688.15 and 2,245.77

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Solution

The fourth proportional to 3,124.22, 4,688.15 and 2,245.77 is: 3,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.22 : 4,688.15 = 2,245.77 : x
  2. Step 2: Convert to fraction form
    3,124.22/4,688.15 = 2,245.77/x
  3. Step 3: Cross multiply
    3,124.22x = 4,688.15 × 2,245.77
  4. Step 4: Simplify right side
    3,124.22x = 10,528,495.40
  5. Step 5: Solve for x
    x = 10,528,495.40/3,124.22
  6. Step 6: Final answer
    x = 3,369.97

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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.