Home / 2,792.15-3,851.94-1,729.63

Finding the Fourth Proportional to 2,792.15, 3,851.94 and 1,729.63

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Solution

The fourth proportional to 2,792.15, 3,851.94 and 1,729.63 is: 2,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.15 : 3,851.94 = 1,729.63 : x
  2. Step 2: Convert to fraction form
    2,792.15/3,851.94 = 1,729.63/x
  3. Step 3: Cross multiply
    2,792.15x = 3,851.94 × 1,729.63
  4. Step 4: Simplify right side
    2,792.15x = 6,662,422.33
  5. Step 5: Solve for x
    x = 6,662,422.33/2,792.15
  6. Step 6: Final answer
    x = 2,386.13

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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.