Home / 2,824.66-3,899.21-1,705.35

Finding the Fourth Proportional to 2,824.66, 3,899.21 and 1,705.35

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Solution

The fourth proportional to 2,824.66, 3,899.21 and 1,705.35 is: 2,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.66 : 3,899.21 = 1,705.35 : x
  2. Step 2: Convert to fraction form
    2,824.66/3,899.21 = 1,705.35/x
  3. Step 3: Cross multiply
    2,824.66x = 3,899.21 × 1,705.35
  4. Step 4: Simplify right side
    2,824.66x = 6,649,523.87
  5. Step 5: Solve for x
    x = 6,649,523.87/2,824.66
  6. Step 6: Final answer
    x = 2,354.10

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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.