Home / 2,452.14-3,674.97-989.55

Finding the Fourth Proportional to 2,452.14, 3,674.97 and 989.55

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Solution

The fourth proportional to 2,452.14, 3,674.97 and 989.55 is: 1,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.14 : 3,674.97 = 989.55 : x
  2. Step 2: Convert to fraction form
    2,452.14/3,674.97 = 989.55/x
  3. Step 3: Cross multiply
    2,452.14x = 3,674.97 × 989.55
  4. Step 4: Simplify right side
    2,452.14x = 3,636,566.56
  5. Step 5: Solve for x
    x = 3,636,566.56/2,452.14
  6. Step 6: Final answer
    x = 1,483.02

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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.