Home / 3,636.65-5,443.74-2,385.81

Finding the Fourth Proportional to 3,636.65, 5,443.74 and 2,385.81

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Solution

The fourth proportional to 3,636.65, 5,443.74 and 2,385.81 is: 3,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.65 : 5,443.74 = 2,385.81 : x
  2. Step 2: Convert to fraction form
    3,636.65/5,443.74 = 2,385.81/x
  3. Step 3: Cross multiply
    3,636.65x = 5,443.74 × 2,385.81
  4. Step 4: Simplify right side
    3,636.65x = 12,987,729.33
  5. Step 5: Solve for x
    x = 12,987,729.33/3,636.65
  6. Step 6: Final answer
    x = 3,571.34

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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.