Home / 3,782.71-5,666.77-3,090.16

Finding the Fourth Proportional to 3,782.71, 5,666.77 and 3,090.16

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Solution

The fourth proportional to 3,782.71, 5,666.77 and 3,090.16 is: 4,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.71 : 5,666.77 = 3,090.16 : x
  2. Step 2: Convert to fraction form
    3,782.71/5,666.77 = 3,090.16/x
  3. Step 3: Cross multiply
    3,782.71x = 5,666.77 × 3,090.16
  4. Step 4: Simplify right side
    3,782.71x = 17,511,225.98
  5. Step 5: Solve for x
    x = 17,511,225.98/3,782.71
  6. Step 6: Final answer
    x = 4,629.28

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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.