Home / 3,166.20-4,749.30-2,898.90

Finding the Fourth Proportional to 3,166.20, 4,749.30 and 2,898.90

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Solution

The fourth proportional to 3,166.20, 4,749.30 and 2,898.90 is: 4,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.20 : 4,749.30 = 2,898.90 : x
  2. Step 2: Convert to fraction form
    3,166.20/4,749.30 = 2,898.90/x
  3. Step 3: Cross multiply
    3,166.20x = 4,749.30 × 2,898.90
  4. Step 4: Simplify right side
    3,166.20x = 13,767,745.77
  5. Step 5: Solve for x
    x = 13,767,745.77/3,166.20
  6. Step 6: Final answer
    x = 4,348.35

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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.