Home / 1,695.37-2,539.40-1,399.56

Finding the Fourth Proportional to 1,695.37, 2,539.40 and 1,399.56

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Solution

The fourth proportional to 1,695.37, 2,539.40 and 1,399.56 is: 2,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.37 : 2,539.40 = 1,399.56 : x
  2. Step 2: Convert to fraction form
    1,695.37/2,539.40 = 1,399.56/x
  3. Step 3: Cross multiply
    1,695.37x = 2,539.40 × 1,399.56
  4. Step 4: Simplify right side
    1,695.37x = 3,554,042.66
  5. Step 5: Solve for x
    x = 3,554,042.66/1,695.37
  6. Step 6: Final answer
    x = 2,096.32

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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.