Home / 1,928.02-2,660.68-1,043.83

Finding the Fourth Proportional to 1,928.02, 2,660.68 and 1,043.83

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Solution

The fourth proportional to 1,928.02, 2,660.68 and 1,043.83 is: 1,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.02 : 2,660.68 = 1,043.83 : x
  2. Step 2: Convert to fraction form
    1,928.02/2,660.68 = 1,043.83/x
  3. Step 3: Cross multiply
    1,928.02x = 2,660.68 × 1,043.83
  4. Step 4: Simplify right side
    1,928.02x = 2,777,297.60
  5. Step 5: Solve for x
    x = 2,777,297.60/1,928.02
  6. Step 6: Final answer
    x = 1,440.49

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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.