Home / 3,288.35-4,909.12-3,173.02

Finding the Fourth Proportional to 3,288.35, 4,909.12 and 3,173.02

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Solution

The fourth proportional to 3,288.35, 4,909.12 and 3,173.02 is: 4,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.35 : 4,909.12 = 3,173.02 : x
  2. Step 2: Convert to fraction form
    3,288.35/4,909.12 = 3,173.02/x
  3. Step 3: Cross multiply
    3,288.35x = 4,909.12 × 3,173.02
  4. Step 4: Simplify right side
    3,288.35x = 15,576,715.74
  5. Step 5: Solve for x
    x = 15,576,715.74/3,288.35
  6. Step 6: Final answer
    x = 4,736.94

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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.