Home / 2,379.13-3,567.47-1,393.87

Finding the Fourth Proportional to 2,379.13, 3,567.47 and 1,393.87

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Solution

The fourth proportional to 2,379.13, 3,567.47 and 1,393.87 is: 2,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.13 : 3,567.47 = 1,393.87 : x
  2. Step 2: Convert to fraction form
    2,379.13/3,567.47 = 1,393.87/x
  3. Step 3: Cross multiply
    2,379.13x = 3,567.47 × 1,393.87
  4. Step 4: Simplify right side
    2,379.13x = 4,972,589.41
  5. Step 5: Solve for x
    x = 4,972,589.41/2,379.13
  6. Step 6: Final answer
    x = 2,090.09

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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.