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Finding the Fourth Proportional to 3,203.01, 4,782.15 and 3,006.18

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Solution

The fourth proportional to 3,203.01, 4,782.15 and 3,006.18 is: 4,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.01 : 4,782.15 = 3,006.18 : x
  2. Step 2: Convert to fraction form
    3,203.01/4,782.15 = 3,006.18/x
  3. Step 3: Cross multiply
    3,203.01x = 4,782.15 × 3,006.18
  4. Step 4: Simplify right side
    3,203.01x = 14,376,003.69
  5. Step 5: Solve for x
    x = 14,376,003.69/3,203.01
  6. Step 6: Final answer
    x = 4,488.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.