Home / 3,520.94-5,281.20-1,055.81

Finding the Fourth Proportional to 3,520.94, 5,281.20 and 1,055.81

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Solution

The fourth proportional to 3,520.94, 5,281.20 and 1,055.81 is: 1,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.94 : 5,281.20 = 1,055.81 : x
  2. Step 2: Convert to fraction form
    3,520.94/5,281.20 = 1,055.81/x
  3. Step 3: Cross multiply
    3,520.94x = 5,281.20 × 1,055.81
  4. Step 4: Simplify right side
    3,520.94x = 5,575,921.33
  5. Step 5: Solve for x
    x = 5,575,921.33/3,520.94
  6. Step 6: Final answer
    x = 1,583.65

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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.