Home / 3,357.79-5,040.36-2,668.88

Finding the Fourth Proportional to 3,357.79, 5,040.36 and 2,668.88

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Solution

The fourth proportional to 3,357.79, 5,040.36 and 2,668.88 is: 4,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.79 : 5,040.36 = 2,668.88 : x
  2. Step 2: Convert to fraction form
    3,357.79/5,040.36 = 2,668.88/x
  3. Step 3: Cross multiply
    3,357.79x = 5,040.36 × 2,668.88
  4. Step 4: Simplify right side
    3,357.79x = 13,452,128.60
  5. Step 5: Solve for x
    x = 13,452,128.60/3,357.79
  6. Step 6: Final answer
    x = 4,006.25

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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.