Home / 3,486.36-5,225.76-1,636.32

Finding the Fourth Proportional to 3,486.36, 5,225.76 and 1,636.32

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Solution

The fourth proportional to 3,486.36, 5,225.76 and 1,636.32 is: 2,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.36 : 5,225.76 = 1,636.32 : x
  2. Step 2: Convert to fraction form
    3,486.36/5,225.76 = 1,636.32/x
  3. Step 3: Cross multiply
    3,486.36x = 5,225.76 × 1,636.32
  4. Step 4: Simplify right side
    3,486.36x = 8,551,015.60
  5. Step 5: Solve for x
    x = 8,551,015.60/3,486.36
  6. Step 6: Final answer
    x = 2,452.71

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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.