Home / 2,776.32-3,825.36-2,076.48

Finding the Fourth Proportional to 2,776.32, 3,825.36 and 2,076.48

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Solution

The fourth proportional to 2,776.32, 3,825.36 and 2,076.48 is: 2,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.32 : 3,825.36 = 2,076.48 : x
  2. Step 2: Convert to fraction form
    2,776.32/3,825.36 = 2,076.48/x
  3. Step 3: Cross multiply
    2,776.32x = 3,825.36 × 2,076.48
  4. Step 4: Simplify right side
    2,776.32x = 7,943,283.53
  5. Step 5: Solve for x
    x = 7,943,283.53/2,776.32
  6. Step 6: Final answer
    x = 2,861.08

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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.