Home / 1,739.37-2,606.19-1,277.34

Finding the Fourth Proportional to 1,739.37, 2,606.19 and 1,277.34

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Solution

The fourth proportional to 1,739.37, 2,606.19 and 1,277.34 is: 1,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.37 : 2,606.19 = 1,277.34 : x
  2. Step 2: Convert to fraction form
    1,739.37/2,606.19 = 1,277.34/x
  3. Step 3: Cross multiply
    1,739.37x = 2,606.19 × 1,277.34
  4. Step 4: Simplify right side
    1,739.37x = 3,328,983.36
  5. Step 5: Solve for x
    x = 3,328,983.36/1,739.37
  6. Step 6: Final answer
    x = 1,913.90

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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.