Home / 3,848.55-5,772.83-2,972.34

Finding the Fourth Proportional to 3,848.55, 5,772.83 and 2,972.34

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Solution

The fourth proportional to 3,848.55, 5,772.83 and 2,972.34 is: 4,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.55 : 5,772.83 = 2,972.34 : x
  2. Step 2: Convert to fraction form
    3,848.55/5,772.83 = 2,972.34/x
  3. Step 3: Cross multiply
    3,848.55x = 5,772.83 × 2,972.34
  4. Step 4: Simplify right side
    3,848.55x = 17,158,813.52
  5. Step 5: Solve for x
    x = 17,158,813.52/3,848.55
  6. Step 6: Final answer
    x = 4,458.51

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Similar ratio
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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.