Home / 1,738.08-2,601.81-1,405.94

Finding the Fourth Proportional to 1,738.08, 2,601.81 and 1,405.94

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Solution

The fourth proportional to 1,738.08, 2,601.81 and 1,405.94 is: 2,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.08 : 2,601.81 = 1,405.94 : x
  2. Step 2: Convert to fraction form
    1,738.08/2,601.81 = 1,405.94/x
  3. Step 3: Cross multiply
    1,738.08x = 2,601.81 × 1,405.94
  4. Step 4: Simplify right side
    1,738.08x = 3,657,975.74
  5. Step 5: Solve for x
    x = 3,657,975.74/1,738.08
  6. Step 6: Final answer
    x = 2,104.61

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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.