Home / 2,073.47-3,104.93-1,378.08

Finding the Fourth Proportional to 2,073.47, 3,104.93 and 1,378.08

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Solution

The fourth proportional to 2,073.47, 3,104.93 and 1,378.08 is: 2,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.47 : 3,104.93 = 1,378.08 : x
  2. Step 2: Convert to fraction form
    2,073.47/3,104.93 = 1,378.08/x
  3. Step 3: Cross multiply
    2,073.47x = 3,104.93 × 1,378.08
  4. Step 4: Simplify right side
    2,073.47x = 4,278,845.38
  5. Step 5: Solve for x
    x = 4,278,845.38/2,073.47
  6. Step 6: Final answer
    x = 2,063.62

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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.