Home / 4,242.80-6,359.34-2,290.92

Finding the Fourth Proportional to 4,242.80, 6,359.34 and 2,290.92

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Solution

The fourth proportional to 4,242.80, 6,359.34 and 2,290.92 is: 3,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.80 : 6,359.34 = 2,290.92 : x
  2. Step 2: Convert to fraction form
    4,242.80/6,359.34 = 2,290.92/x
  3. Step 3: Cross multiply
    4,242.80x = 6,359.34 × 2,290.92
  4. Step 4: Simplify right side
    4,242.80x = 14,568,739.19
  5. Step 5: Solve for x
    x = 14,568,739.19/4,242.80
  6. Step 6: Final answer
    x = 3,433.76

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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.