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Finding the Fourth Proportional to 3,817.99, 5,726.99 and 1,626.13

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Solution

The fourth proportional to 3,817.99, 5,726.99 and 1,626.13 is: 2,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.99 : 5,726.99 = 1,626.13 : x
  2. Step 2: Convert to fraction form
    3,817.99/5,726.99 = 1,626.13/x
  3. Step 3: Cross multiply
    3,817.99x = 5,726.99 × 1,626.13
  4. Step 4: Simplify right side
    3,817.99x = 9,312,830.25
  5. Step 5: Solve for x
    x = 9,312,830.25/3,817.99
  6. Step 6: Final answer
    x = 2,439.20

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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.