Home / 2,341.66-3,231.48-1,293.76

Finding the Fourth Proportional to 2,341.66, 3,231.48 and 1,293.76

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Solution

The fourth proportional to 2,341.66, 3,231.48 and 1,293.76 is: 1,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.66 : 3,231.48 = 1,293.76 : x
  2. Step 2: Convert to fraction form
    2,341.66/3,231.48 = 1,293.76/x
  3. Step 3: Cross multiply
    2,341.66x = 3,231.48 × 1,293.76
  4. Step 4: Simplify right side
    2,341.66x = 4,180,759.56
  5. Step 5: Solve for x
    x = 4,180,759.56/2,341.66
  6. Step 6: Final answer
    x = 1,785.38

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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.