Home / 2,021.49-2,788.02-1,518.62

Finding the Fourth Proportional to 2,021.49, 2,788.02 and 1,518.62

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Solution

The fourth proportional to 2,021.49, 2,788.02 and 1,518.62 is: 2,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.49 : 2,788.02 = 1,518.62 : x
  2. Step 2: Convert to fraction form
    2,021.49/2,788.02 = 1,518.62/x
  3. Step 3: Cross multiply
    2,021.49x = 2,788.02 × 1,518.62
  4. Step 4: Simplify right side
    2,021.49x = 4,233,928.99
  5. Step 5: Solve for x
    x = 4,233,928.99/2,021.49
  6. Step 6: Final answer
    x = 2,094.46

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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.