Home / 4,285.78-5,914.42-2,397.47

Finding the Fourth Proportional to 4,285.78, 5,914.42 and 2,397.47

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Solution

The fourth proportional to 4,285.78, 5,914.42 and 2,397.47 is: 3,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.78 : 5,914.42 = 2,397.47 : x
  2. Step 2: Convert to fraction form
    4,285.78/5,914.42 = 2,397.47/x
  3. Step 3: Cross multiply
    4,285.78x = 5,914.42 × 2,397.47
  4. Step 4: Simplify right side
    4,285.78x = 14,179,608.95
  5. Step 5: Solve for x
    x = 14,179,608.95/4,285.78
  6. Step 6: Final answer
    x = 3,308.53

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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.