Home / 3,342.36-5,013.46-1,121.36

Finding the Fourth Proportional to 3,342.36, 5,013.46 and 1,121.36

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Solution

The fourth proportional to 3,342.36, 5,013.46 and 1,121.36 is: 1,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.36 : 5,013.46 = 1,121.36 : x
  2. Step 2: Convert to fraction form
    3,342.36/5,013.46 = 1,121.36/x
  3. Step 3: Cross multiply
    3,342.36x = 5,013.46 × 1,121.36
  4. Step 4: Simplify right side
    3,342.36x = 5,621,893.51
  5. Step 5: Solve for x
    x = 5,621,893.51/3,342.36
  6. Step 6: Final answer
    x = 1,682.01

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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.