Home / 3,165.31-4,368.63-1,768.06

Finding the Fourth Proportional to 3,165.31, 4,368.63 and 1,768.06

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Solution

The fourth proportional to 3,165.31, 4,368.63 and 1,768.06 is: 2,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.31 : 4,368.63 = 1,768.06 : x
  2. Step 2: Convert to fraction form
    3,165.31/4,368.63 = 1,768.06/x
  3. Step 3: Cross multiply
    3,165.31x = 4,368.63 × 1,768.06
  4. Step 4: Simplify right side
    3,165.31x = 7,723,999.96
  5. Step 5: Solve for x
    x = 7,723,999.96/3,165.31
  6. Step 6: Final answer
    x = 2,440.20

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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.