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Finding the Fourth Proportional to 2,228.54, 3,346.05 and 1,645.34

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Solution

The fourth proportional to 2,228.54, 3,346.05 and 1,645.34 is: 2,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.54 : 3,346.05 = 1,645.34 : x
  2. Step 2: Convert to fraction form
    2,228.54/3,346.05 = 1,645.34/x
  3. Step 3: Cross multiply
    2,228.54x = 3,346.05 × 1,645.34
  4. Step 4: Simplify right side
    2,228.54x = 5,505,389.91
  5. Step 5: Solve for x
    x = 5,505,389.91/2,228.54
  6. Step 6: Final answer
    x = 2,470.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.