Home / 3,743.36-5,128.39-3,603.16

Finding the Fourth Proportional to 3,743.36, 5,128.39 and 3,603.16

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Solution

The fourth proportional to 3,743.36, 5,128.39 and 3,603.16 is: 4,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.36 : 5,128.39 = 3,603.16 : x
  2. Step 2: Convert to fraction form
    3,743.36/5,128.39 = 3,603.16/x
  3. Step 3: Cross multiply
    3,743.36x = 5,128.39 × 3,603.16
  4. Step 4: Simplify right side
    3,743.36x = 18,478,394.64
  5. Step 5: Solve for x
    x = 18,478,394.64/3,743.36
  6. Step 6: Final answer
    x = 4,936.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.