Home / 3,076.24-4,245.80-2,888.68

Finding the Fourth Proportional to 3,076.24, 4,245.80 and 2,888.68

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Solution

The fourth proportional to 3,076.24, 4,245.80 and 2,888.68 is: 3,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.24 : 4,245.80 = 2,888.68 : x
  2. Step 2: Convert to fraction form
    3,076.24/4,245.80 = 2,888.68/x
  3. Step 3: Cross multiply
    3,076.24x = 4,245.80 × 2,888.68
  4. Step 4: Simplify right side
    3,076.24x = 12,264,757.54
  5. Step 5: Solve for x
    x = 12,264,757.54/3,076.24
  6. Step 6: Final answer
    x = 3,986.93

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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.