Home / 2,820.82-3,892.95-1,626.18

Finding the Fourth Proportional to 2,820.82, 3,892.95 and 1,626.18

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Solution

The fourth proportional to 2,820.82, 3,892.95 and 1,626.18 is: 2,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.82 : 3,892.95 = 1,626.18 : x
  2. Step 2: Convert to fraction form
    2,820.82/3,892.95 = 1,626.18/x
  3. Step 3: Cross multiply
    2,820.82x = 3,892.95 × 1,626.18
  4. Step 4: Simplify right side
    2,820.82x = 6,330,637.43
  5. Step 5: Solve for x
    x = 6,330,637.43/2,820.82
  6. Step 6: Final answer
    x = 2,244.25

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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.