Home / 3,782.08-5,673.09-1,316.89

Finding the Fourth Proportional to 3,782.08, 5,673.09 and 1,316.89

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Solution

The fourth proportional to 3,782.08, 5,673.09 and 1,316.89 is: 1,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.08 : 5,673.09 = 1,316.89 : x
  2. Step 2: Convert to fraction form
    3,782.08/5,673.09 = 1,316.89/x
  3. Step 3: Cross multiply
    3,782.08x = 5,673.09 × 1,316.89
  4. Step 4: Simplify right side
    3,782.08x = 7,470,835.49
  5. Step 5: Solve for x
    x = 7,470,835.49/3,782.08
  6. Step 6: Final answer
    x = 1,975.32

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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.