Home / 2,806.02-3,872.43-1,626.84

Finding the Fourth Proportional to 2,806.02, 3,872.43 and 1,626.84

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Solution

The fourth proportional to 2,806.02, 3,872.43 and 1,626.84 is: 2,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.02 : 3,872.43 = 1,626.84 : x
  2. Step 2: Convert to fraction form
    2,806.02/3,872.43 = 1,626.84/x
  3. Step 3: Cross multiply
    2,806.02x = 3,872.43 × 1,626.84
  4. Step 4: Simplify right side
    2,806.02x = 6,299,824.02
  5. Step 5: Solve for x
    x = 6,299,824.02/2,806.02
  6. Step 6: Final answer
    x = 2,245.11

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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.