Home / 3,368.12-5,051.37-1,419.26

Finding the Fourth Proportional to 3,368.12, 5,051.37 and 1,419.26

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Solution

The fourth proportional to 3,368.12, 5,051.37 and 1,419.26 is: 2,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.12 : 5,051.37 = 1,419.26 : x
  2. Step 2: Convert to fraction form
    3,368.12/5,051.37 = 1,419.26/x
  3. Step 3: Cross multiply
    3,368.12x = 5,051.37 × 1,419.26
  4. Step 4: Simplify right side
    3,368.12x = 7,169,207.39
  5. Step 5: Solve for x
    x = 7,169,207.39/3,368.12
  6. Step 6: Final answer
    x = 2,128.55

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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.