Home / 3,455.38-5,181.72-1,506.25

Finding the Fourth Proportional to 3,455.38, 5,181.72 and 1,506.25

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Solution

The fourth proportional to 3,455.38, 5,181.72 and 1,506.25 is: 2,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.38 : 5,181.72 = 1,506.25 : x
  2. Step 2: Convert to fraction form
    3,455.38/5,181.72 = 1,506.25/x
  3. Step 3: Cross multiply
    3,455.38x = 5,181.72 × 1,506.25
  4. Step 4: Simplify right side
    3,455.38x = 7,804,965.75
  5. Step 5: Solve for x
    x = 7,804,965.75/3,455.38
  6. Step 6: Final answer
    x = 2,258.79

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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.