Home / 2,817.13-4,229.53-1,585.41

Finding the Fourth Proportional to 2,817.13, 4,229.53 and 1,585.41

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Solution

The fourth proportional to 2,817.13, 4,229.53 and 1,585.41 is: 2,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.13 : 4,229.53 = 1,585.41 : x
  2. Step 2: Convert to fraction form
    2,817.13/4,229.53 = 1,585.41/x
  3. Step 3: Cross multiply
    2,817.13x = 4,229.53 × 1,585.41
  4. Step 4: Simplify right side
    2,817.13x = 6,705,539.16
  5. Step 5: Solve for x
    x = 6,705,539.16/2,817.13
  6. Step 6: Final answer
    x = 2,380.27

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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.