Home / 2,295.21-3,167.37-1,247.25

Finding the Fourth Proportional to 2,295.21, 3,167.37 and 1,247.25

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Solution

The fourth proportional to 2,295.21, 3,167.37 and 1,247.25 is: 1,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.21 : 3,167.37 = 1,247.25 : x
  2. Step 2: Convert to fraction form
    2,295.21/3,167.37 = 1,247.25/x
  3. Step 3: Cross multiply
    2,295.21x = 3,167.37 × 1,247.25
  4. Step 4: Simplify right side
    2,295.21x = 3,950,502.23
  5. Step 5: Solve for x
    x = 3,950,502.23/2,295.21
  6. Step 6: Final answer
    x = 1,721.19

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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.