Home / 4,172.91-5,759.27-2,405.08

Finding the Fourth Proportional to 4,172.91, 5,759.27 and 2,405.08

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Solution

The fourth proportional to 4,172.91, 5,759.27 and 2,405.08 is: 3,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.91 : 5,759.27 = 2,405.08 : x
  2. Step 2: Convert to fraction form
    4,172.91/5,759.27 = 2,405.08/x
  3. Step 3: Cross multiply
    4,172.91x = 5,759.27 × 2,405.08
  4. Step 4: Simplify right side
    4,172.91x = 13,851,505.09
  5. Step 5: Solve for x
    x = 13,851,505.09/4,172.91
  6. Step 6: Final answer
    x = 3,319.39

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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.