Home / 1,962.58-2,708.37-1,078.41

Finding the Fourth Proportional to 1,962.58, 2,708.37 and 1,078.41

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Solution

The fourth proportional to 1,962.58, 2,708.37 and 1,078.41 is: 1,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.58 : 2,708.37 = 1,078.41 : x
  2. Step 2: Convert to fraction form
    1,962.58/2,708.37 = 1,078.41/x
  3. Step 3: Cross multiply
    1,962.58x = 2,708.37 × 1,078.41
  4. Step 4: Simplify right side
    1,962.58x = 2,920,733.29
  5. Step 5: Solve for x
    x = 2,920,733.29/1,962.58
  6. Step 6: Final answer
    x = 1,488.21

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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.