Home / 3,646.41-5,469.74-1,181.25

Finding the Fourth Proportional to 3,646.41, 5,469.74 and 1,181.25

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Solution

The fourth proportional to 3,646.41, 5,469.74 and 1,181.25 is: 1,771.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.41 : 5,469.74 = 1,181.25 : x
  2. Step 2: Convert to fraction form
    3,646.41/5,469.74 = 1,181.25/x
  3. Step 3: Cross multiply
    3,646.41x = 5,469.74 × 1,181.25
  4. Step 4: Simplify right side
    3,646.41x = 6,461,124.47
  5. Step 5: Solve for x
    x = 6,461,124.47/3,646.41
  6. Step 6: Final answer
    x = 1,771.91

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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.