Home / 2,295.26-3,167.46-1,247.32

Finding the Fourth Proportional to 2,295.26, 3,167.46 and 1,247.32

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Solution

The fourth proportional to 2,295.26, 3,167.46 and 1,247.32 is: 1,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.26 : 3,167.46 = 1,247.32 : x
  2. Step 2: Convert to fraction form
    2,295.26/3,167.46 = 1,247.32/x
  3. Step 3: Cross multiply
    2,295.26x = 3,167.46 × 1,247.32
  4. Step 4: Simplify right side
    2,295.26x = 3,950,836.21
  5. Step 5: Solve for x
    x = 3,950,836.21/2,295.26
  6. Step 6: Final answer
    x = 1,721.30

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1.5x scale

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.