Home / 2,348.48-3,231.18-1,785.66

Finding the Fourth Proportional to 2,348.48, 3,231.18 and 1,785.66

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Solution

The fourth proportional to 2,348.48, 3,231.18 and 1,785.66 is: 2,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.48 : 3,231.18 = 1,785.66 : x
  2. Step 2: Convert to fraction form
    2,348.48/3,231.18 = 1,785.66/x
  3. Step 3: Cross multiply
    2,348.48x = 3,231.18 × 1,785.66
  4. Step 4: Simplify right side
    2,348.48x = 5,769,788.88
  5. Step 5: Solve for x
    x = 5,769,788.88/2,348.48
  6. Step 6: Final answer
    x = 2,456.82

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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.