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Finding the Fourth Proportional to 2,550.98, 3,520.05 and 1,502.66

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Solution

The fourth proportional to 2,550.98, 3,520.05 and 1,502.66 is: 2,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.98 : 3,520.05 = 1,502.66 : x
  2. Step 2: Convert to fraction form
    2,550.98/3,520.05 = 1,502.66/x
  3. Step 3: Cross multiply
    2,550.98x = 3,520.05 × 1,502.66
  4. Step 4: Simplify right side
    2,550.98x = 5,289,438.33
  5. Step 5: Solve for x
    x = 5,289,438.33/2,550.98
  6. Step 6: Final answer
    x = 2,073.49

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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.