Home / 2,865.97-4,296.43-1,478.60

Finding the Fourth Proportional to 2,865.97, 4,296.43 and 1,478.60

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Solution

The fourth proportional to 2,865.97, 4,296.43 and 1,478.60 is: 2,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.97 : 4,296.43 = 1,478.60 : x
  2. Step 2: Convert to fraction form
    2,865.97/4,296.43 = 1,478.60/x
  3. Step 3: Cross multiply
    2,865.97x = 4,296.43 × 1,478.60
  4. Step 4: Simplify right side
    2,865.97x = 6,352,701.40
  5. Step 5: Solve for x
    x = 6,352,701.40/2,865.97
  6. Step 6: Final answer
    x = 2,216.60

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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.