Home / 3,624.37-4,990.51-3,173.66

Finding the Fourth Proportional to 3,624.37, 4,990.51 and 3,173.66

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Solution

The fourth proportional to 3,624.37, 4,990.51 and 3,173.66 is: 4,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.37 : 4,990.51 = 3,173.66 : x
  2. Step 2: Convert to fraction form
    3,624.37/4,990.51 = 3,173.66/x
  3. Step 3: Cross multiply
    3,624.37x = 4,990.51 × 3,173.66
  4. Step 4: Simplify right side
    3,624.37x = 15,838,161.84
  5. Step 5: Solve for x
    x = 15,838,161.84/3,624.37
  6. Step 6: Final answer
    x = 4,369.91

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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.