Home / 1,722.77-2,580.30-1,234.34

Finding the Fourth Proportional to 1,722.77, 2,580.30 and 1,234.34

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Solution

The fourth proportional to 1,722.77, 2,580.30 and 1,234.34 is: 1,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.77 : 2,580.30 = 1,234.34 : x
  2. Step 2: Convert to fraction form
    1,722.77/2,580.30 = 1,234.34/x
  3. Step 3: Cross multiply
    1,722.77x = 2,580.30 × 1,234.34
  4. Step 4: Simplify right side
    1,722.77x = 3,184,954.60
  5. Step 5: Solve for x
    x = 3,184,954.60/1,722.77
  6. Step 6: Final answer
    x = 1,848.75

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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.