Home / 2,823.96-4,226.38-1,729.10

Finding the Fourth Proportional to 2,823.96, 4,226.38 and 1,729.10

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Solution

The fourth proportional to 2,823.96, 4,226.38 and 1,729.10 is: 2,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.96 : 4,226.38 = 1,729.10 : x
  2. Step 2: Convert to fraction form
    2,823.96/4,226.38 = 1,729.10/x
  3. Step 3: Cross multiply
    2,823.96x = 4,226.38 × 1,729.10
  4. Step 4: Simplify right side
    2,823.96x = 7,307,816.13
  5. Step 5: Solve for x
    x = 7,307,816.13/2,823.96
  6. Step 6: Final answer
    x = 2,587.79

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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.