Home / 1,724.14-2,583.74-1,378.52

Finding the Fourth Proportional to 1,724.14, 2,583.74 and 1,378.52

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Solution

The fourth proportional to 1,724.14, 2,583.74 and 1,378.52 is: 2,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.14 : 2,583.74 = 1,378.52 : x
  2. Step 2: Convert to fraction form
    1,724.14/2,583.74 = 1,378.52/x
  3. Step 3: Cross multiply
    1,724.14x = 2,583.74 × 1,378.52
  4. Step 4: Simplify right side
    1,724.14x = 3,561,737.26
  5. Step 5: Solve for x
    x = 3,561,737.26/1,724.14
  6. Step 6: Final answer
    x = 2,065.81

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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.