Home / 3,493.16-5,215.33-3,004.20

Finding the Fourth Proportional to 3,493.16, 5,215.33 and 3,004.20

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Solution

The fourth proportional to 3,493.16, 5,215.33 and 3,004.20 is: 4,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.16 : 5,215.33 = 3,004.20 : x
  2. Step 2: Convert to fraction form
    3,493.16/5,215.33 = 3,004.20/x
  3. Step 3: Cross multiply
    3,493.16x = 5,215.33 × 3,004.20
  4. Step 4: Simplify right side
    3,493.16x = 15,667,894.39
  5. Step 5: Solve for x
    x = 15,667,894.39/3,493.16
  6. Step 6: Final answer
    x = 4,485.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.