Home / 4,078.17-5,627.70-2,309.94

Finding the Fourth Proportional to 4,078.17, 5,627.70 and 2,309.94

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Solution

The fourth proportional to 4,078.17, 5,627.70 and 2,309.94 is: 3,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.17 : 5,627.70 = 2,309.94 : x
  2. Step 2: Convert to fraction form
    4,078.17/5,627.70 = 2,309.94/x
  3. Step 3: Cross multiply
    4,078.17x = 5,627.70 × 2,309.94
  4. Step 4: Simplify right side
    4,078.17x = 12,999,649.34
  5. Step 5: Solve for x
    x = 12,999,649.34/4,078.17
  6. Step 6: Final answer
    x = 3,187.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.