Home / 3,863.02-5,792.67-1,912.93

Finding the Fourth Proportional to 3,863.02, 5,792.67 and 1,912.93

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Solution

The fourth proportional to 3,863.02, 5,792.67 and 1,912.93 is: 2,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.02 : 5,792.67 = 1,912.93 : x
  2. Step 2: Convert to fraction form
    3,863.02/5,792.67 = 1,912.93/x
  3. Step 3: Cross multiply
    3,863.02x = 5,792.67 × 1,912.93
  4. Step 4: Simplify right side
    3,863.02x = 11,080,972.22
  5. Step 5: Solve for x
    x = 11,080,972.22/3,863.02
  6. Step 6: Final answer
    x = 2,868.47

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1.5x scale

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.