Home / 3,166.40-4,749.44-1,217.76

Finding the Fourth Proportional to 3,166.40, 4,749.44 and 1,217.76

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Solution

The fourth proportional to 3,166.40, 4,749.44 and 1,217.76 is: 1,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.40 : 4,749.44 = 1,217.76 : x
  2. Step 2: Convert to fraction form
    3,166.40/4,749.44 = 1,217.76/x
  3. Step 3: Cross multiply
    3,166.40x = 4,749.44 × 1,217.76
  4. Step 4: Simplify right side
    3,166.40x = 5,783,678.05
  5. Step 5: Solve for x
    x = 5,783,678.05/3,166.40
  6. Step 6: Final answer
    x = 1,826.58

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1.5x scale

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.