Home / 3,507.28-4,829.52-3,190.72

Finding the Fourth Proportional to 3,507.28, 4,829.52 and 3,190.72

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Solution

The fourth proportional to 3,507.28, 4,829.52 and 3,190.72 is: 4,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.28 : 4,829.52 = 3,190.72 : x
  2. Step 2: Convert to fraction form
    3,507.28/4,829.52 = 3,190.72/x
  3. Step 3: Cross multiply
    3,507.28x = 4,829.52 × 3,190.72
  4. Step 4: Simplify right side
    3,507.28x = 15,409,646.05
  5. Step 5: Solve for x
    x = 15,409,646.05/3,507.28
  6. Step 6: Final answer
    x = 4,393.62

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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.