Home / 2,317.66-3,478.81-1,085.96

Finding the Fourth Proportional to 2,317.66, 3,478.81 and 1,085.96

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Solution

The fourth proportional to 2,317.66, 3,478.81 and 1,085.96 is: 1,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.66 : 3,478.81 = 1,085.96 : x
  2. Step 2: Convert to fraction form
    2,317.66/3,478.81 = 1,085.96/x
  3. Step 3: Cross multiply
    2,317.66x = 3,478.81 × 1,085.96
  4. Step 4: Simplify right side
    2,317.66x = 3,777,833.90
  5. Step 5: Solve for x
    x = 3,777,833.90/2,317.66
  6. Step 6: Final answer
    x = 1,630.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.