Home / 4,280.63-5,905.38-2,511.44

Finding the Fourth Proportional to 4,280.63, 5,905.38 and 2,511.44

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Solution

The fourth proportional to 4,280.63, 5,905.38 and 2,511.44 is: 3,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.63 : 5,905.38 = 2,511.44 : x
  2. Step 2: Convert to fraction form
    4,280.63/5,905.38 = 2,511.44/x
  3. Step 3: Cross multiply
    4,280.63x = 5,905.38 × 2,511.44
  4. Step 4: Simplify right side
    4,280.63x = 14,830,978.02
  5. Step 5: Solve for x
    x = 14,830,978.02/4,280.63
  6. Step 6: Final answer
    x = 3,464.68

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1.5x scale

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.