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Finding the Fourth Proportional to 2,651.52, 3,659.52 and 2,213.76

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Solution

The fourth proportional to 2,651.52, 3,659.52 and 2,213.76 is: 3,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.52 : 3,659.52 = 2,213.76 : x
  2. Step 2: Convert to fraction form
    2,651.52/3,659.52 = 2,213.76/x
  3. Step 3: Cross multiply
    2,651.52x = 3,659.52 × 2,213.76
  4. Step 4: Simplify right side
    2,651.52x = 8,101,299.00
  5. Step 5: Solve for x
    x = 8,101,299.00/2,651.52
  6. Step 6: Final answer
    x = 3,055.34

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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.