Home / 1,724.36-2,573.19-1,539.77

Finding the Fourth Proportional to 1,724.36, 2,573.19 and 1,539.77

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Solution

The fourth proportional to 1,724.36, 2,573.19 and 1,539.77 is: 2,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.36 : 2,573.19 = 1,539.77 : x
  2. Step 2: Convert to fraction form
    1,724.36/2,573.19 = 1,539.77/x
  3. Step 3: Cross multiply
    1,724.36x = 2,573.19 × 1,539.77
  4. Step 4: Simplify right side
    1,724.36x = 3,962,107.90
  5. Step 5: Solve for x
    x = 3,962,107.90/1,724.36
  6. Step 6: Final answer
    x = 2,297.73

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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.