Home / 3,154.79-4,731.62-1,074.63

Finding the Fourth Proportional to 3,154.79, 4,731.62 and 1,074.63

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Solution

The fourth proportional to 3,154.79, 4,731.62 and 1,074.63 is: 1,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.79 : 4,731.62 = 1,074.63 : x
  2. Step 2: Convert to fraction form
    3,154.79/4,731.62 = 1,074.63/x
  3. Step 3: Cross multiply
    3,154.79x = 4,731.62 × 1,074.63
  4. Step 4: Simplify right side
    3,154.79x = 5,084,735.43
  5. Step 5: Solve for x
    x = 5,084,735.43/3,154.79
  6. Step 6: Final answer
    x = 1,611.75

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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.