Home / 3,792.10-5,236.33-2,378.16

Finding the Fourth Proportional to 3,792.10, 5,236.33 and 2,378.16

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Solution

The fourth proportional to 3,792.10, 5,236.33 and 2,378.16 is: 3,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.10 : 5,236.33 = 2,378.16 : x
  2. Step 2: Convert to fraction form
    3,792.10/5,236.33 = 2,378.16/x
  3. Step 3: Cross multiply
    3,792.10x = 5,236.33 × 2,378.16
  4. Step 4: Simplify right side
    3,792.10x = 12,452,792.48
  5. Step 5: Solve for x
    x = 12,452,792.48/3,792.10
  6. Step 6: Final answer
    x = 3,283.88

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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.