Home / 3,182.40-4,768.08-1,722.56

Finding the Fourth Proportional to 3,182.40, 4,768.08 and 1,722.56

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Solution

The fourth proportional to 3,182.40, 4,768.08 and 1,722.56 is: 2,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.40 : 4,768.08 = 1,722.56 : x
  2. Step 2: Convert to fraction form
    3,182.40/4,768.08 = 1,722.56/x
  3. Step 3: Cross multiply
    3,182.40x = 4,768.08 × 1,722.56
  4. Step 4: Simplify right side
    3,182.40x = 8,213,303.88
  5. Step 5: Solve for x
    x = 8,213,303.88/3,182.40
  6. Step 6: Final answer
    x = 2,580.85

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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.