Home / 2,247.58-3,098.73-1,648.18

Finding the Fourth Proportional to 2,247.58, 3,098.73 and 1,648.18

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Solution

The fourth proportional to 2,247.58, 3,098.73 and 1,648.18 is: 2,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.58 : 3,098.73 = 1,648.18 : x
  2. Step 2: Convert to fraction form
    2,247.58/3,098.73 = 1,648.18/x
  3. Step 3: Cross multiply
    2,247.58x = 3,098.73 × 1,648.18
  4. Step 4: Simplify right side
    2,247.58x = 5,107,264.81
  5. Step 5: Solve for x
    x = 5,107,264.81/2,247.58
  6. Step 6: Final answer
    x = 2,272.34

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Half 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.