Home / 3,173.19-4,376.32-2,378.38

Finding the Fourth Proportional to 3,173.19, 4,376.32 and 2,378.38

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Solution

The fourth proportional to 3,173.19, 4,376.32 and 2,378.38 is: 3,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.19 : 4,376.32 = 2,378.38 : x
  2. Step 2: Convert to fraction form
    3,173.19/4,376.32 = 2,378.38/x
  3. Step 3: Cross multiply
    3,173.19x = 4,376.32 × 2,378.38
  4. Step 4: Simplify right side
    3,173.19x = 10,408,551.96
  5. Step 5: Solve for x
    x = 10,408,551.96/3,173.19
  6. Step 6: Final answer
    x = 3,280.15

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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.