Home / 1,629.64-2,446.62-1,266.76

Finding the Fourth Proportional to 1,629.64, 2,446.62 and 1,266.76

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Solution

The fourth proportional to 1,629.64, 2,446.62 and 1,266.76 is: 1,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.64 : 2,446.62 = 1,266.76 : x
  2. Step 2: Convert to fraction form
    1,629.64/2,446.62 = 1,266.76/x
  3. Step 3: Cross multiply
    1,629.64x = 2,446.62 × 1,266.76
  4. Step 4: Simplify right side
    1,629.64x = 3,099,280.35
  5. Step 5: Solve for x
    x = 3,099,280.35/1,629.64
  6. Step 6: Final answer
    x = 1,901.82

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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.