Home / 3,084.08-4,255.80-1,825.28

Finding the Fourth Proportional to 3,084.08, 4,255.80 and 1,825.28

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Solution

The fourth proportional to 3,084.08, 4,255.80 and 1,825.28 is: 2,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.08 : 4,255.80 = 1,825.28 : x
  2. Step 2: Convert to fraction form
    3,084.08/4,255.80 = 1,825.28/x
  3. Step 3: Cross multiply
    3,084.08x = 4,255.80 × 1,825.28
  4. Step 4: Simplify right side
    3,084.08x = 7,768,026.62
  5. Step 5: Solve for x
    x = 7,768,026.62/3,084.08
  6. Step 6: Final answer
    x = 2,518.75

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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.