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Finding the Fourth Proportional to 3,237.70, 4,855.74 and 1,363.90

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Solution

The fourth proportional to 3,237.70, 4,855.74 and 1,363.90 is: 2,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.70 : 4,855.74 = 1,363.90 : x
  2. Step 2: Convert to fraction form
    3,237.70/4,855.74 = 1,363.90/x
  3. Step 3: Cross multiply
    3,237.70x = 4,855.74 × 1,363.90
  4. Step 4: Simplify right side
    3,237.70x = 6,622,743.79
  5. Step 5: Solve for x
    x = 6,622,743.79/3,237.70
  6. Step 6: Final answer
    x = 2,045.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.