Home / 2,750.37-4,120.23-1,710.78

Finding the Fourth Proportional to 2,750.37, 4,120.23 and 1,710.78

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Solution

The fourth proportional to 2,750.37, 4,120.23 and 1,710.78 is: 2,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.37 : 4,120.23 = 1,710.78 : x
  2. Step 2: Convert to fraction form
    2,750.37/4,120.23 = 1,710.78/x
  3. Step 3: Cross multiply
    2,750.37x = 4,120.23 × 1,710.78
  4. Step 4: Simplify right side
    2,750.37x = 7,048,807.08
  5. Step 5: Solve for x
    x = 7,048,807.08/2,750.37
  6. Step 6: Final answer
    x = 2,562.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.