Home / 2,820.25-3,892.71-1,701.22

Finding the Fourth Proportional to 2,820.25, 3,892.71 and 1,701.22

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Solution

The fourth proportional to 2,820.25, 3,892.71 and 1,701.22 is: 2,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.25 : 3,892.71 = 1,701.22 : x
  2. Step 2: Convert to fraction form
    2,820.25/3,892.71 = 1,701.22/x
  3. Step 3: Cross multiply
    2,820.25x = 3,892.71 × 1,701.22
  4. Step 4: Simplify right side
    2,820.25x = 6,622,356.11
  5. Step 5: Solve for x
    x = 6,622,356.11/2,820.25
  6. Step 6: Final answer
    x = 2,348.15

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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.