Home / 4,234.80-6,359.40-2,290.80

Finding the Fourth Proportional to 4,234.80, 6,359.40 and 2,290.80

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Solution

The fourth proportional to 4,234.80, 6,359.40 and 2,290.80 is: 3,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.80 : 6,359.40 = 2,290.80 : x
  2. Step 2: Convert to fraction form
    4,234.80/6,359.40 = 2,290.80/x
  3. Step 3: Cross multiply
    4,234.80x = 6,359.40 × 2,290.80
  4. Step 4: Simplify right side
    4,234.80x = 14,568,113.52
  5. Step 5: Solve for x
    x = 14,568,113.52/4,234.80
  6. Step 6: Final answer
    x = 3,440.09

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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.