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Finding the Fourth Proportional to 2,419.74, 3,626.10 and 1,800.54

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Solution

The fourth proportional to 2,419.74, 3,626.10 and 1,800.54 is: 2,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.74 : 3,626.10 = 1,800.54 : x
  2. Step 2: Convert to fraction form
    2,419.74/3,626.10 = 1,800.54/x
  3. Step 3: Cross multiply
    2,419.74x = 3,626.10 × 1,800.54
  4. Step 4: Simplify right side
    2,419.74x = 6,528,938.09
  5. Step 5: Solve for x
    x = 6,528,938.09/2,419.74
  6. Step 6: Final answer
    x = 2,698.20

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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.