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Finding the Fourth Proportional to 3,550.59, 4,893.62 and 3,143.30

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Solution

The fourth proportional to 3,550.59, 4,893.62 and 3,143.30 is: 4,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.59 : 4,893.62 = 3,143.30 : x
  2. Step 2: Convert to fraction form
    3,550.59/4,893.62 = 3,143.30/x
  3. Step 3: Cross multiply
    3,550.59x = 4,893.62 × 3,143.30
  4. Step 4: Simplify right side
    3,550.59x = 15,382,075.56
  5. Step 5: Solve for x
    x = 15,382,075.56/3,550.59
  6. Step 6: Final answer
    x = 4,332.26

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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.