Home / 1,481.99-2,043.21-1,215.46

Finding the Fourth Proportional to 1,481.99, 2,043.21 and 1,215.46

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Solution

The fourth proportional to 1,481.99, 2,043.21 and 1,215.46 is: 1,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.99 : 2,043.21 = 1,215.46 : x
  2. Step 2: Convert to fraction form
    1,481.99/2,043.21 = 1,215.46/x
  3. Step 3: Cross multiply
    1,481.99x = 2,043.21 × 1,215.46
  4. Step 4: Simplify right side
    1,481.99x = 2,483,429.81
  5. Step 5: Solve for x
    x = 2,483,429.81/1,481.99
  6. Step 6: Final answer
    x = 1,675.74

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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.