Home / 1,955.66-2,930.75-1,405.26

Finding the Fourth Proportional to 1,955.66, 2,930.75 and 1,405.26

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Solution

The fourth proportional to 1,955.66, 2,930.75 and 1,405.26 is: 2,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.66 : 2,930.75 = 1,405.26 : x
  2. Step 2: Convert to fraction form
    1,955.66/2,930.75 = 1,405.26/x
  3. Step 3: Cross multiply
    1,955.66x = 2,930.75 × 1,405.26
  4. Step 4: Simplify right side
    1,955.66x = 4,118,469.26
  5. Step 5: Solve for x
    x = 4,118,469.26/1,955.66
  6. Step 6: Final answer
    x = 2,105.93

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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.