Home / 2,243.19-3,095.37-1,248.39

Finding the Fourth Proportional to 2,243.19, 3,095.37 and 1,248.39

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Solution

The fourth proportional to 2,243.19, 3,095.37 and 1,248.39 is: 1,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.19 : 3,095.37 = 1,248.39 : x
  2. Step 2: Convert to fraction form
    2,243.19/3,095.37 = 1,248.39/x
  3. Step 3: Cross multiply
    2,243.19x = 3,095.37 × 1,248.39
  4. Step 4: Simplify right side
    2,243.19x = 3,864,228.95
  5. Step 5: Solve for x
    x = 3,864,228.95/2,243.19
  6. Step 6: Final answer
    x = 1,722.65

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Half scale
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Double scale
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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.