Home / 1,928.43-2,663.96-1,534.95

Finding the Fourth Proportional to 1,928.43, 2,663.96 and 1,534.95

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Solution

The fourth proportional to 1,928.43, 2,663.96 and 1,534.95 is: 2,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.43 : 2,663.96 = 1,534.95 : x
  2. Step 2: Convert to fraction form
    1,928.43/2,663.96 = 1,534.95/x
  3. Step 3: Cross multiply
    1,928.43x = 2,663.96 × 1,534.95
  4. Step 4: Simplify right side
    1,928.43x = 4,089,037.73
  5. Step 5: Solve for x
    x = 4,089,037.73/1,928.43
  6. Step 6: Final answer
    x = 2,120.40

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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.