Home / 2,746.05-4,120.43-1,284.95

Finding the Fourth Proportional to 2,746.05, 4,120.43 and 1,284.95

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Solution

The fourth proportional to 2,746.05, 4,120.43 and 1,284.95 is: 1,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.05 : 4,120.43 = 1,284.95 : x
  2. Step 2: Convert to fraction form
    2,746.05/4,120.43 = 1,284.95/x
  3. Step 3: Cross multiply
    2,746.05x = 4,120.43 × 1,284.95
  4. Step 4: Simplify right side
    2,746.05x = 5,294,519.50
  5. Step 5: Solve for x
    x = 5,294,519.50/2,746.05
  6. Step 6: Final answer
    x = 1,928.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.