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Finding the Fourth Proportional to 3,297.51, 4,550.51 and 1,805.40

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Solution

The fourth proportional to 3,297.51, 4,550.51 and 1,805.40 is: 2,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.51 : 4,550.51 = 1,805.40 : x
  2. Step 2: Convert to fraction form
    3,297.51/4,550.51 = 1,805.40/x
  3. Step 3: Cross multiply
    3,297.51x = 4,550.51 × 1,805.40
  4. Step 4: Simplify right side
    3,297.51x = 8,215,495.27
  5. Step 5: Solve for x
    x = 8,215,495.27/3,297.51
  6. Step 6: Final answer
    x = 2,491.42

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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.