Home / 1,712.52-2,551.26-1,629.96

Finding the Fourth Proportional to 1,712.52, 2,551.26 and 1,629.96

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Solution

The fourth proportional to 1,712.52, 2,551.26 and 1,629.96 is: 2,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.52 : 2,551.26 = 1,629.96 : x
  2. Step 2: Convert to fraction form
    1,712.52/2,551.26 = 1,629.96/x
  3. Step 3: Cross multiply
    1,712.52x = 2,551.26 × 1,629.96
  4. Step 4: Simplify right side
    1,712.52x = 4,158,451.75
  5. Step 5: Solve for x
    x = 4,158,451.75/1,712.52
  6. Step 6: Final answer
    x = 2,428.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.