Home / 3,329.40-4,590.30-2,729.70

Finding the Fourth Proportional to 3,329.40, 4,590.30 and 2,729.70

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Solution

The fourth proportional to 3,329.40, 4,590.30 and 2,729.70 is: 3,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.40 : 4,590.30 = 2,729.70 : x
  2. Step 2: Convert to fraction form
    3,329.40/4,590.30 = 2,729.70/x
  3. Step 3: Cross multiply
    3,329.40x = 4,590.30 × 2,729.70
  4. Step 4: Simplify right side
    3,329.40x = 12,530,152.15
  5. Step 5: Solve for x
    x = 12,530,152.15/3,329.40
  6. Step 6: Final answer
    x = 3,763.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.