Home / 3,720.69-5,583.60-1,529.42

Finding the Fourth Proportional to 3,720.69, 5,583.60 and 1,529.42

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Solution

The fourth proportional to 3,720.69, 5,583.60 and 1,529.42 is: 2,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.69 : 5,583.60 = 1,529.42 : x
  2. Step 2: Convert to fraction form
    3,720.69/5,583.60 = 1,529.42/x
  3. Step 3: Cross multiply
    3,720.69x = 5,583.60 × 1,529.42
  4. Step 4: Simplify right side
    3,720.69x = 8,539,641.59
  5. Step 5: Solve for x
    x = 8,539,641.59/3,720.69
  6. Step 6: Final answer
    x = 2,295.18

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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.