Home / 2,792.83-3,853.74-1,673.55

Finding the Fourth Proportional to 2,792.83, 3,853.74 and 1,673.55

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Solution

The fourth proportional to 2,792.83, 3,853.74 and 1,673.55 is: 2,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.83 : 3,853.74 = 1,673.55 : x
  2. Step 2: Convert to fraction form
    2,792.83/3,853.74 = 1,673.55/x
  3. Step 3: Cross multiply
    2,792.83x = 3,853.74 × 1,673.55
  4. Step 4: Simplify right side
    2,792.83x = 6,449,426.58
  5. Step 5: Solve for x
    x = 6,449,426.58/2,792.83
  6. Step 6: Final answer
    x = 2,309.28

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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.