Home / 1,955.26-2,698.33-1,071.06

Finding the Fourth Proportional to 1,955.26, 2,698.33 and 1,071.06

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Solution

The fourth proportional to 1,955.26, 2,698.33 and 1,071.06 is: 1,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.26 : 2,698.33 = 1,071.06 : x
  2. Step 2: Convert to fraction form
    1,955.26/2,698.33 = 1,071.06/x
  3. Step 3: Cross multiply
    1,955.26x = 2,698.33 × 1,071.06
  4. Step 4: Simplify right side
    1,955.26x = 2,890,073.33
  5. Step 5: Solve for x
    x = 2,890,073.33/1,955.26
  6. Step 6: Final answer
    x = 1,478.10

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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.