Home / 3,157.36-4,736.08-1,513.60

Finding the Fourth Proportional to 3,157.36, 4,736.08 and 1,513.60

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Solution

The fourth proportional to 3,157.36, 4,736.08 and 1,513.60 is: 2,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.36 : 4,736.08 = 1,513.60 : x
  2. Step 2: Convert to fraction form
    3,157.36/4,736.08 = 1,513.60/x
  3. Step 3: Cross multiply
    3,157.36x = 4,736.08 × 1,513.60
  4. Step 4: Simplify right side
    3,157.36x = 7,168,530.69
  5. Step 5: Solve for x
    x = 7,168,530.69/3,157.36
  6. Step 6: Final answer
    x = 2,270.42

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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.