Home / 1,955.44-2,698.57-1,071.30

Finding the Fourth Proportional to 1,955.44, 2,698.57 and 1,071.30

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Solution

The fourth proportional to 1,955.44, 2,698.57 and 1,071.30 is: 1,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.44 : 2,698.57 = 1,071.30 : x
  2. Step 2: Convert to fraction form
    1,955.44/2,698.57 = 1,071.30/x
  3. Step 3: Cross multiply
    1,955.44x = 2,698.57 × 1,071.30
  4. Step 4: Simplify right side
    1,955.44x = 2,890,978.04
  5. Step 5: Solve for x
    x = 2,890,978.04/1,955.44
  6. Step 6: Final answer
    x = 1,478.43

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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.