Home / 1,723.36-2,583.96-1,137.74

Finding the Fourth Proportional to 1,723.36, 2,583.96 and 1,137.74

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Solution

The fourth proportional to 1,723.36, 2,583.96 and 1,137.74 is: 1,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.36 : 2,583.96 = 1,137.74 : x
  2. Step 2: Convert to fraction form
    1,723.36/2,583.96 = 1,137.74/x
  3. Step 3: Cross multiply
    1,723.36x = 2,583.96 × 1,137.74
  4. Step 4: Simplify right side
    1,723.36x = 2,939,874.65
  5. Step 5: Solve for x
    x = 2,939,874.65/1,723.36
  6. Step 6: Final answer
    x = 1,705.90

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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.