Home / 3,076.80-4,245.52-1,750.56

Finding the Fourth Proportional to 3,076.80, 4,245.52 and 1,750.56

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Solution

The fourth proportional to 3,076.80, 4,245.52 and 1,750.56 is: 2,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.80 : 4,245.52 = 1,750.56 : x
  2. Step 2: Convert to fraction form
    3,076.80/4,245.52 = 1,750.56/x
  3. Step 3: Cross multiply
    3,076.80x = 4,245.52 × 1,750.56
  4. Step 4: Simplify right side
    3,076.80x = 7,432,037.49
  5. Step 5: Solve for x
    x = 7,432,037.49/3,076.80
  6. Step 6: Final answer
    x = 2,415.51

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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.