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Finding the Fourth Proportional to 3,520.63, 5,277.13 and 2,288.92

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Solution

The fourth proportional to 3,520.63, 5,277.13 and 2,288.92 is: 3,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.63 : 5,277.13 = 2,288.92 : x
  2. Step 2: Convert to fraction form
    3,520.63/5,277.13 = 2,288.92/x
  3. Step 3: Cross multiply
    3,520.63x = 5,277.13 × 2,288.92
  4. Step 4: Simplify right side
    3,520.63x = 12,078,928.40
  5. Step 5: Solve for x
    x = 12,078,928.40/3,520.63
  6. Step 6: Final answer
    x = 3,430.90

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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.