Home / 2,295.17-3,167.31-1,247.23

Finding the Fourth Proportional to 2,295.17, 3,167.31 and 1,247.23

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Solution

The fourth proportional to 2,295.17, 3,167.31 and 1,247.23 is: 1,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.17 : 3,167.31 = 1,247.23 : x
  2. Step 2: Convert to fraction form
    2,295.17/3,167.31 = 1,247.23/x
  3. Step 3: Cross multiply
    2,295.17x = 3,167.31 × 1,247.23
  4. Step 4: Simplify right side
    2,295.17x = 3,950,364.05
  5. Step 5: Solve for x
    x = 3,950,364.05/2,295.17
  6. Step 6: Final answer
    x = 1,721.16

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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.