Home / 3,288.60-4,909.47-3,173.27

Finding the Fourth Proportional to 3,288.60, 4,909.47 and 3,173.27

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Solution

The fourth proportional to 3,288.60, 4,909.47 and 3,173.27 is: 4,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.60 : 4,909.47 = 3,173.27 : x
  2. Step 2: Convert to fraction form
    3,288.60/4,909.47 = 3,173.27/x
  3. Step 3: Cross multiply
    3,288.60x = 4,909.47 × 3,173.27
  4. Step 4: Simplify right side
    3,288.60x = 15,579,049.32
  5. Step 5: Solve for x
    x = 15,579,049.32/3,288.60
  6. Step 6: Final answer
    x = 4,737.29

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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.