Home / 3,782.23-5,669.48-1,315.03

Finding the Fourth Proportional to 3,782.23, 5,669.48 and 1,315.03

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Solution

The fourth proportional to 3,782.23, 5,669.48 and 1,315.03 is: 1,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.23 : 5,669.48 = 1,315.03 : x
  2. Step 2: Convert to fraction form
    3,782.23/5,669.48 = 1,315.03/x
  3. Step 3: Cross multiply
    3,782.23x = 5,669.48 × 1,315.03
  4. Step 4: Simplify right side
    3,782.23x = 7,455,501.36
  5. Step 5: Solve for x
    x = 7,455,501.36/3,782.23
  6. Step 6: Final answer
    x = 1,971.19

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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.