Home / 3,452.70-5,181.09-1,478.25

Finding the Fourth Proportional to 3,452.70, 5,181.09 and 1,478.25

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Solution

The fourth proportional to 3,452.70, 5,181.09 and 1,478.25 is: 2,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.70 : 5,181.09 = 1,478.25 : x
  2. Step 2: Convert to fraction form
    3,452.70/5,181.09 = 1,478.25/x
  3. Step 3: Cross multiply
    3,452.70x = 5,181.09 × 1,478.25
  4. Step 4: Simplify right side
    3,452.70x = 7,658,946.29
  5. Step 5: Solve for x
    x = 7,658,946.29/3,452.70
  6. Step 6: Final answer
    x = 2,218.25

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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.