Home / 4,128.46-5,695.43-2,449.94

Finding the Fourth Proportional to 4,128.46, 5,695.43 and 2,449.94

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Solution

The fourth proportional to 4,128.46, 5,695.43 and 2,449.94 is: 3,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.46 : 5,695.43 = 2,449.94 : x
  2. Step 2: Convert to fraction form
    4,128.46/5,695.43 = 2,449.94/x
  3. Step 3: Cross multiply
    4,128.46x = 5,695.43 × 2,449.94
  4. Step 4: Simplify right side
    4,128.46x = 13,953,421.05
  5. Step 5: Solve for x
    x = 13,953,421.05/4,128.46
  6. Step 6: Final answer
    x = 3,379.82

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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.