Home / 3,066.31-4,231.54-1,669.03

Finding the Fourth Proportional to 3,066.31, 4,231.54 and 1,669.03

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Solution

The fourth proportional to 3,066.31, 4,231.54 and 1,669.03 is: 2,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.31 : 4,231.54 = 1,669.03 : x
  2. Step 2: Convert to fraction form
    3,066.31/4,231.54 = 1,669.03/x
  3. Step 3: Cross multiply
    3,066.31x = 4,231.54 × 1,669.03
  4. Step 4: Simplify right side
    3,066.31x = 7,062,567.21
  5. Step 5: Solve for x
    x = 7,062,567.21/3,066.31
  6. Step 6: Final answer
    x = 2,303.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.