Home / 3,848.10-5,772.15-1,383.30

Finding the Fourth Proportional to 3,848.10, 5,772.15 and 1,383.30

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Solution

The fourth proportional to 3,848.10, 5,772.15 and 1,383.30 is: 2,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.10 : 5,772.15 = 1,383.30 : x
  2. Step 2: Convert to fraction form
    3,848.10/5,772.15 = 1,383.30/x
  3. Step 3: Cross multiply
    3,848.10x = 5,772.15 × 1,383.30
  4. Step 4: Simplify right side
    3,848.10x = 7,984,615.10
  5. Step 5: Solve for x
    x = 7,984,615.10/3,848.10
  6. Step 6: Final answer
    x = 2,074.95

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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.