Home / 3,078.63-4,617.95-1,435.95

Finding the Fourth Proportional to 3,078.63, 4,617.95 and 1,435.95

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Solution

The fourth proportional to 3,078.63, 4,617.95 and 1,435.95 is: 2,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.63 : 4,617.95 = 1,435.95 : x
  2. Step 2: Convert to fraction form
    3,078.63/4,617.95 = 1,435.95/x
  3. Step 3: Cross multiply
    3,078.63x = 4,617.95 × 1,435.95
  4. Step 4: Simplify right side
    3,078.63x = 6,631,138.12
  5. Step 5: Solve for x
    x = 6,631,138.12/3,078.63
  6. Step 6: Final answer
    x = 2,153.93

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Why These Related Problems?

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