Home / 2,293.62-3,165.28-1,245.76

Finding the Fourth Proportional to 2,293.62, 3,165.28 and 1,245.76

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Solution

The fourth proportional to 2,293.62, 3,165.28 and 1,245.76 is: 1,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.62 : 3,165.28 = 1,245.76 : x
  2. Step 2: Convert to fraction form
    2,293.62/3,165.28 = 1,245.76/x
  3. Step 3: Cross multiply
    2,293.62x = 3,165.28 × 1,245.76
  4. Step 4: Simplify right side
    2,293.62x = 3,943,179.21
  5. Step 5: Solve for x
    x = 3,943,179.21/2,293.62
  6. Step 6: Final answer
    x = 1,719.19

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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.