Home / 2,452.05-3,678.44-1,219.55

Finding the Fourth Proportional to 2,452.05, 3,678.44 and 1,219.55

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Solution

The fourth proportional to 2,452.05, 3,678.44 and 1,219.55 is: 1,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.05 : 3,678.44 = 1,219.55 : x
  2. Step 2: Convert to fraction form
    2,452.05/3,678.44 = 1,219.55/x
  3. Step 3: Cross multiply
    2,452.05x = 3,678.44 × 1,219.55
  4. Step 4: Simplify right side
    2,452.05x = 4,486,017.01
  5. Step 5: Solve for x
    x = 4,486,017.01/2,452.05
  6. Step 6: Final answer
    x = 1,829.50

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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.