Home / 3,438.23-4,739.77-2,540.65

Finding the Fourth Proportional to 3,438.23, 4,739.77 and 2,540.65

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Solution

The fourth proportional to 3,438.23, 4,739.77 and 2,540.65 is: 3,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.23 : 4,739.77 = 2,540.65 : x
  2. Step 2: Convert to fraction form
    3,438.23/4,739.77 = 2,540.65/x
  3. Step 3: Cross multiply
    3,438.23x = 4,739.77 × 2,540.65
  4. Step 4: Simplify right side
    3,438.23x = 12,042,096.65
  5. Step 5: Solve for x
    x = 12,042,096.65/3,438.23
  6. Step 6: Final answer
    x = 3,502.41

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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.