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Finding the Fourth Proportional to 3,509.63, 4,849.22 and 2,716.19

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Solution

The fourth proportional to 3,509.63, 4,849.22 and 2,716.19 is: 3,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.63 : 4,849.22 = 2,716.19 : x
  2. Step 2: Convert to fraction form
    3,509.63/4,849.22 = 2,716.19/x
  3. Step 3: Cross multiply
    3,509.63x = 4,849.22 × 2,716.19
  4. Step 4: Simplify right side
    3,509.63x = 13,171,402.87
  5. Step 5: Solve for x
    x = 13,171,402.87/3,509.63
  6. Step 6: Final answer
    x = 3,752.93

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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.