Home / 3,636.34-5,449.71-1,325.62

Finding the Fourth Proportional to 3,636.34, 5,449.71 and 1,325.62

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Solution

The fourth proportional to 3,636.34, 5,449.71 and 1,325.62 is: 1,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.34 : 5,449.71 = 1,325.62 : x
  2. Step 2: Convert to fraction form
    3,636.34/5,449.71 = 1,325.62/x
  3. Step 3: Cross multiply
    3,636.34x = 5,449.71 × 1,325.62
  4. Step 4: Simplify right side
    3,636.34x = 7,224,244.57
  5. Step 5: Solve for x
    x = 7,224,244.57/3,636.34
  6. Step 6: Final answer
    x = 1,986.68

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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.