Home / 3,190.16-4,402.36-1,792.92

Finding the Fourth Proportional to 3,190.16, 4,402.36 and 1,792.92

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Solution

The fourth proportional to 3,190.16, 4,402.36 and 1,792.92 is: 2,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.16 : 4,402.36 = 1,792.92 : x
  2. Step 2: Convert to fraction form
    3,190.16/4,402.36 = 1,792.92/x
  3. Step 3: Cross multiply
    3,190.16x = 4,402.36 × 1,792.92
  4. Step 4: Simplify right side
    3,190.16x = 7,893,079.29
  5. Step 5: Solve for x
    x = 7,893,079.29/3,190.16
  6. Step 6: Final answer
    x = 2,474.20

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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.