Home / 2,293.18-3,164.48-1,245.22

Finding the Fourth Proportional to 2,293.18, 3,164.48 and 1,245.22

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Solution

The fourth proportional to 2,293.18, 3,164.48 and 1,245.22 is: 1,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.18 : 3,164.48 = 1,245.22 : x
  2. Step 2: Convert to fraction form
    2,293.18/3,164.48 = 1,245.22/x
  3. Step 3: Cross multiply
    2,293.18x = 3,164.48 × 1,245.22
  4. Step 4: Simplify right side
    2,293.18x = 3,940,473.79
  5. Step 5: Solve for x
    x = 3,940,473.79/2,293.18
  6. Step 6: Final answer
    x = 1,718.34

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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.