Home / 4,159.85-5,739.20-2,668.58

Finding the Fourth Proportional to 4,159.85, 5,739.20 and 2,668.58

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Solution

The fourth proportional to 4,159.85, 5,739.20 and 2,668.58 is: 3,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.85 : 5,739.20 = 2,668.58 : x
  2. Step 2: Convert to fraction form
    4,159.85/5,739.20 = 2,668.58/x
  3. Step 3: Cross multiply
    4,159.85x = 5,739.20 × 2,668.58
  4. Step 4: Simplify right side
    4,159.85x = 15,315,485.64
  5. Step 5: Solve for x
    x = 15,315,485.64/4,159.85
  6. Step 6: Final answer
    x = 3,681.74

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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.