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Finding the Fourth Proportional to 3,938.64, 5,907.46 and 2,473.32

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Solution

The fourth proportional to 3,938.64, 5,907.46 and 2,473.32 is: 3,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.64 : 5,907.46 = 2,473.32 : x
  2. Step 2: Convert to fraction form
    3,938.64/5,907.46 = 2,473.32/x
  3. Step 3: Cross multiply
    3,938.64x = 5,907.46 × 2,473.32
  4. Step 4: Simplify right side
    3,938.64x = 14,611,038.97
  5. Step 5: Solve for x
    x = 14,611,038.97/3,938.64
  6. Step 6: Final answer
    x = 3,709.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.