Home / 1,712.52-2,551.32-1,629.90

Finding the Fourth Proportional to 1,712.52, 2,551.32 and 1,629.90

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Solution

The fourth proportional to 1,712.52, 2,551.32 and 1,629.90 is: 2,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.52 : 2,551.32 = 1,629.90 : x
  2. Step 2: Convert to fraction form
    1,712.52/2,551.32 = 1,629.90/x
  3. Step 3: Cross multiply
    1,712.52x = 2,551.32 × 1,629.90
  4. Step 4: Simplify right side
    1,712.52x = 4,158,396.47
  5. Step 5: Solve for x
    x = 4,158,396.47/1,712.52
  6. Step 6: Final answer
    x = 2,428.23

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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.