Home / 3,396.90-5,094.20-1,205.32

Finding the Fourth Proportional to 3,396.90, 5,094.20 and 1,205.32

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Solution

The fourth proportional to 3,396.90, 5,094.20 and 1,205.32 is: 1,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.90 : 5,094.20 = 1,205.32 : x
  2. Step 2: Convert to fraction form
    3,396.90/5,094.20 = 1,205.32/x
  3. Step 3: Cross multiply
    3,396.90x = 5,094.20 × 1,205.32
  4. Step 4: Simplify right side
    3,396.90x = 6,140,141.14
  5. Step 5: Solve for x
    x = 6,140,141.14/3,396.90
  6. Step 6: Final answer
    x = 1,807.57

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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.