Home / 3,395.60-5,094.20-1,087.12

Finding the Fourth Proportional to 3,395.60, 5,094.20 and 1,087.12

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Solution

The fourth proportional to 3,395.60, 5,094.20 and 1,087.12 is: 1,630.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.60 : 5,094.20 = 1,087.12 : x
  2. Step 2: Convert to fraction form
    3,395.60/5,094.20 = 1,087.12/x
  3. Step 3: Cross multiply
    3,395.60x = 5,094.20 × 1,087.12
  4. Step 4: Simplify right side
    3,395.60x = 5,538,006.70
  5. Step 5: Solve for x
    x = 5,538,006.70/3,395.60
  6. Step 6: Final answer
    x = 1,630.94

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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.