Home / 3,056.78-4,584.36-1,325

Finding the Fourth Proportional to 3,056.78, 4,584.36 and 1,325

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Solution

The fourth proportional to 3,056.78, 4,584.36 and 1,325 is: 1,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.78 : 4,584.36 = 1,325 : x
  2. Step 2: Convert to fraction form
    3,056.78/4,584.36 = 1,325/x
  3. Step 3: Cross multiply
    3,056.78x = 4,584.36 × 1,325
  4. Step 4: Simplify right side
    3,056.78x = 6,074,277
  5. Step 5: Solve for x
    x = 6,074,277/3,056.78
  6. Step 6: Final answer
    x = 1,987.15

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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.