Home / 3,025.85-4,532.40-1,383.78

Finding the Fourth Proportional to 3,025.85, 4,532.40 and 1,383.78

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Solution

The fourth proportional to 3,025.85, 4,532.40 and 1,383.78 is: 2,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.85 : 4,532.40 = 1,383.78 : x
  2. Step 2: Convert to fraction form
    3,025.85/4,532.40 = 1,383.78/x
  3. Step 3: Cross multiply
    3,025.85x = 4,532.40 × 1,383.78
  4. Step 4: Simplify right side
    3,025.85x = 6,271,837.55
  5. Step 5: Solve for x
    x = 6,271,837.55/3,025.85
  6. Step 6: Final answer
    x = 2,072.75

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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.