Home / 2,239.37-3,090.62-1,355.00

Finding the Fourth Proportional to 2,239.37, 3,090.62 and 1,355.00

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Solution

The fourth proportional to 2,239.37, 3,090.62 and 1,355.00 is: 1,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.37 : 3,090.62 = 1,355.00 : x
  2. Step 2: Convert to fraction form
    2,239.37/3,090.62 = 1,355.00/x
  3. Step 3: Cross multiply
    2,239.37x = 3,090.62 × 1,355.00
  4. Step 4: Simplify right side
    2,239.37x = 4,187,778.03
  5. Step 5: Solve for x
    x = 4,187,778.03/2,239.37
  6. Step 6: Final answer
    x = 1,870.07

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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.