Home / 3,396.36-5,090.28-1,836.30

Finding the Fourth Proportional to 3,396.36, 5,090.28 and 1,836.30

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Solution

The fourth proportional to 3,396.36, 5,090.28 and 1,836.30 is: 2,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.36 : 5,090.28 = 1,836.30 : x
  2. Step 2: Convert to fraction form
    3,396.36/5,090.28 = 1,836.30/x
  3. Step 3: Cross multiply
    3,396.36x = 5,090.28 × 1,836.30
  4. Step 4: Simplify right side
    3,396.36x = 9,347,281.16
  5. Step 5: Solve for x
    x = 9,347,281.16/3,396.36
  6. Step 6: Final answer
    x = 2,752.15

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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.