Home / 3,068.70-4,235.67-2,766.30

Finding the Fourth Proportional to 3,068.70, 4,235.67 and 2,766.30

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Solution

The fourth proportional to 3,068.70, 4,235.67 and 2,766.30 is: 3,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.70 : 4,235.67 = 2,766.30 : x
  2. Step 2: Convert to fraction form
    3,068.70/4,235.67 = 2,766.30/x
  3. Step 3: Cross multiply
    3,068.70x = 4,235.67 × 2,766.30
  4. Step 4: Simplify right side
    3,068.70x = 11,717,133.92
  5. Step 5: Solve for x
    x = 11,717,133.92/3,068.70
  6. Step 6: Final answer
    x = 3,818.27

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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.