Home / 3,190.14-4,402.38-1,792.90

Finding the Fourth Proportional to 3,190.14, 4,402.38 and 1,792.90

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Solution

The fourth proportional to 3,190.14, 4,402.38 and 1,792.90 is: 2,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.14 : 4,402.38 = 1,792.90 : x
  2. Step 2: Convert to fraction form
    3,190.14/4,402.38 = 1,792.90/x
  3. Step 3: Cross multiply
    3,190.14x = 4,402.38 × 1,792.90
  4. Step 4: Simplify right side
    3,190.14x = 7,893,027.10
  5. Step 5: Solve for x
    x = 7,893,027.10/3,190.14
  6. Step 6: Final answer
    x = 2,474.19

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1.5x scale

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.