Home / 3,645.70-5,030.61-2,073.82

Finding the Fourth Proportional to 3,645.70, 5,030.61 and 2,073.82

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Solution

The fourth proportional to 3,645.70, 5,030.61 and 2,073.82 is: 2,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.70 : 5,030.61 = 2,073.82 : x
  2. Step 2: Convert to fraction form
    3,645.70/5,030.61 = 2,073.82/x
  3. Step 3: Cross multiply
    3,645.70x = 5,030.61 × 2,073.82
  4. Step 4: Simplify right side
    3,645.70x = 10,432,579.63
  5. Step 5: Solve for x
    x = 10,432,579.63/3,645.70
  6. Step 6: Final answer
    x = 2,861.61

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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.