Home / 3,546.90-5,320.35-1,902.60

Finding the Fourth Proportional to 3,546.90, 5,320.35 and 1,902.60

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Solution

The fourth proportional to 3,546.90, 5,320.35 and 1,902.60 is: 2,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.90 : 5,320.35 = 1,902.60 : x
  2. Step 2: Convert to fraction form
    3,546.90/5,320.35 = 1,902.60/x
  3. Step 3: Cross multiply
    3,546.90x = 5,320.35 × 1,902.60
  4. Step 4: Simplify right side
    3,546.90x = 10,122,497.91
  5. Step 5: Solve for x
    x = 10,122,497.91/3,546.90
  6. Step 6: Final answer
    x = 2,853.90

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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.