Home / 3,783.21-5,667.53-3,090.66

Finding the Fourth Proportional to 3,783.21, 5,667.53 and 3,090.66

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Solution

The fourth proportional to 3,783.21, 5,667.53 and 3,090.66 is: 4,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.21 : 5,667.53 = 3,090.66 : x
  2. Step 2: Convert to fraction form
    3,783.21/5,667.53 = 3,090.66/x
  3. Step 3: Cross multiply
    3,783.21x = 5,667.53 × 3,090.66
  4. Step 4: Simplify right side
    3,783.21x = 17,516,392.82
  5. Step 5: Solve for x
    x = 17,516,392.82/3,783.21
  6. Step 6: Final answer
    x = 4,630.03

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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.