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Finding the Fourth Proportional to 3,240.63, 4,472.19 and 3,093.03

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Solution

The fourth proportional to 3,240.63, 4,472.19 and 3,093.03 is: 4,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.63 : 4,472.19 = 3,093.03 : x
  2. Step 2: Convert to fraction form
    3,240.63/4,472.19 = 3,093.03/x
  3. Step 3: Cross multiply
    3,240.63x = 4,472.19 × 3,093.03
  4. Step 4: Simplify right side
    3,240.63x = 13,832,617.84
  5. Step 5: Solve for x
    x = 13,832,617.84/3,240.63
  6. Step 6: Final answer
    x = 4,268.50

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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.