Home / 4,190.72-5,783.20-2,327.76

Finding the Fourth Proportional to 4,190.72, 5,783.20 and 2,327.76

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Solution

The fourth proportional to 4,190.72, 5,783.20 and 2,327.76 is: 3,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.72 : 5,783.20 = 2,327.76 : x
  2. Step 2: Convert to fraction form
    4,190.72/5,783.20 = 2,327.76/x
  3. Step 3: Cross multiply
    4,190.72x = 5,783.20 × 2,327.76
  4. Step 4: Simplify right side
    4,190.72x = 13,461,901.63
  5. Step 5: Solve for x
    x = 13,461,901.63/4,190.72
  6. Step 6: Final answer
    x = 3,212.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.