Home / 3,055.42-4,216.26-1,729.27

Finding the Fourth Proportional to 3,055.42, 4,216.26 and 1,729.27

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Solution

The fourth proportional to 3,055.42, 4,216.26 and 1,729.27 is: 2,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.42 : 4,216.26 = 1,729.27 : x
  2. Step 2: Convert to fraction form
    3,055.42/4,216.26 = 1,729.27/x
  3. Step 3: Cross multiply
    3,055.42x = 4,216.26 × 1,729.27
  4. Step 4: Simplify right side
    3,055.42x = 7,291,051.93
  5. Step 5: Solve for x
    x = 7,291,051.93/3,055.42
  6. Step 6: Final answer
    x = 2,386.27

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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.