Home / 3,825.23-5,278.95-2,147.00

Finding the Fourth Proportional to 3,825.23, 5,278.95 and 2,147.00

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Solution

The fourth proportional to 3,825.23, 5,278.95 and 2,147.00 is: 2,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.23 : 5,278.95 = 2,147.00 : x
  2. Step 2: Convert to fraction form
    3,825.23/5,278.95 = 2,147.00/x
  3. Step 3: Cross multiply
    3,825.23x = 5,278.95 × 2,147.00
  4. Step 4: Simplify right side
    3,825.23x = 11,333,879.26
  5. Step 5: Solve for x
    x = 11,333,879.26/3,825.23
  6. Step 6: Final answer
    x = 2,962.93

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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.