Home / 3,324.21-4,587.47-2,147.34

Finding the Fourth Proportional to 3,324.21, 4,587.47 and 2,147.34

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Solution

The fourth proportional to 3,324.21, 4,587.47 and 2,147.34 is: 2,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.21 : 4,587.47 = 2,147.34 : x
  2. Step 2: Convert to fraction form
    3,324.21/4,587.47 = 2,147.34/x
  3. Step 3: Cross multiply
    3,324.21x = 4,587.47 × 2,147.34
  4. Step 4: Simplify right side
    3,324.21x = 9,850,857.83
  5. Step 5: Solve for x
    x = 9,850,857.83/3,324.21
  6. Step 6: Final answer
    x = 2,963.37

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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.