Home / 1,619.76-2,427.10-1,295.04

Finding the Fourth Proportional to 1,619.76, 2,427.10 and 1,295.04

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Solution

The fourth proportional to 1,619.76, 2,427.10 and 1,295.04 is: 1,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.76 : 2,427.10 = 1,295.04 : x
  2. Step 2: Convert to fraction form
    1,619.76/2,427.10 = 1,295.04/x
  3. Step 3: Cross multiply
    1,619.76x = 2,427.10 × 1,295.04
  4. Step 4: Simplify right side
    1,619.76x = 3,143,191.58
  5. Step 5: Solve for x
    x = 3,143,191.58/1,619.76
  6. Step 6: Final answer
    x = 1,940.53

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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.