Home / 2,299.96-3,174.35-1,355.69

Finding the Fourth Proportional to 2,299.96, 3,174.35 and 1,355.69

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Solution

The fourth proportional to 2,299.96, 3,174.35 and 1,355.69 is: 1,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.96 : 3,174.35 = 1,355.69 : x
  2. Step 2: Convert to fraction form
    2,299.96/3,174.35 = 1,355.69/x
  3. Step 3: Cross multiply
    2,299.96x = 3,174.35 × 1,355.69
  4. Step 4: Simplify right side
    2,299.96x = 4,303,449.05
  5. Step 5: Solve for x
    x = 4,303,449.05/2,299.96
  6. Step 6: Final answer
    x = 1,871.10

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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.