Home / 1,980.41-2,733.08-1,096.22

Finding the Fourth Proportional to 1,980.41, 2,733.08 and 1,096.22

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Solution

The fourth proportional to 1,980.41, 2,733.08 and 1,096.22 is: 1,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.41 : 2,733.08 = 1,096.22 : x
  2. Step 2: Convert to fraction form
    1,980.41/2,733.08 = 1,096.22/x
  3. Step 3: Cross multiply
    1,980.41x = 2,733.08 × 1,096.22
  4. Step 4: Simplify right side
    1,980.41x = 2,996,058.31
  5. Step 5: Solve for x
    x = 2,996,058.31/1,980.41
  6. Step 6: Final answer
    x = 1,512.85

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1.5x scale

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.