Home / 1,939.19-2,673.14-1,518.62

Finding the Fourth Proportional to 1,939.19, 2,673.14 and 1,518.62

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Solution

The fourth proportional to 1,939.19, 2,673.14 and 1,518.62 is: 2,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.19 : 2,673.14 = 1,518.62 : x
  2. Step 2: Convert to fraction form
    1,939.19/2,673.14 = 1,518.62/x
  3. Step 3: Cross multiply
    1,939.19x = 2,673.14 × 1,518.62
  4. Step 4: Simplify right side
    1,939.19x = 4,059,462.91
  5. Step 5: Solve for x
    x = 4,059,462.91/1,939.19
  6. Step 6: Final answer
    x = 2,093.39

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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.