Home / 3,023.36-4,172.79-1,765.16

Finding the Fourth Proportional to 3,023.36, 4,172.79 and 1,765.16

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Solution

The fourth proportional to 3,023.36, 4,172.79 and 1,765.16 is: 2,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.36 : 4,172.79 = 1,765.16 : x
  2. Step 2: Convert to fraction form
    3,023.36/4,172.79 = 1,765.16/x
  3. Step 3: Cross multiply
    3,023.36x = 4,172.79 × 1,765.16
  4. Step 4: Simplify right side
    3,023.36x = 7,365,642.00
  5. Step 5: Solve for x
    x = 7,365,642.00/3,023.36
  6. Step 6: Final answer
    x = 2,436.24

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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.