Home / 3,455.08-5,181.66-1,146.60

Finding the Fourth Proportional to 3,455.08, 5,181.66 and 1,146.60

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Solution

The fourth proportional to 3,455.08, 5,181.66 and 1,146.60 is: 1,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.08 : 5,181.66 = 1,146.60 : x
  2. Step 2: Convert to fraction form
    3,455.08/5,181.66 = 1,146.60/x
  3. Step 3: Cross multiply
    3,455.08x = 5,181.66 × 1,146.60
  4. Step 4: Simplify right side
    3,455.08x = 5,941,291.36
  5. Step 5: Solve for x
    x = 5,941,291.36/3,455.08
  6. Step 6: Final answer
    x = 1,719.58

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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.