Home / 3,464.64-5,199.12-1,518.48

Finding the Fourth Proportional to 3,464.64, 5,199.12 and 1,518.48

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Solution

The fourth proportional to 3,464.64, 5,199.12 and 1,518.48 is: 2,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.64 : 5,199.12 = 1,518.48 : x
  2. Step 2: Convert to fraction form
    3,464.64/5,199.12 = 1,518.48/x
  3. Step 3: Cross multiply
    3,464.64x = 5,199.12 × 1,518.48
  4. Step 4: Simplify right side
    3,464.64x = 7,894,759.74
  5. Step 5: Solve for x
    x = 7,894,759.74/3,464.64
  6. Step 6: Final answer
    x = 2,278.67

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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.