Home / 2,750.40-4,123.44-1,882.08

Finding the Fourth Proportional to 2,750.40, 4,123.44 and 1,882.08

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Solution

The fourth proportional to 2,750.40, 4,123.44 and 1,882.08 is: 2,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.40 : 4,123.44 = 1,882.08 : x
  2. Step 2: Convert to fraction form
    2,750.40/4,123.44 = 1,882.08/x
  3. Step 3: Cross multiply
    2,750.40x = 4,123.44 × 1,882.08
  4. Step 4: Simplify right side
    2,750.40x = 7,760,643.96
  5. Step 5: Solve for x
    x = 7,760,643.96/2,750.40
  6. Step 6: Final answer
    x = 2,821.64

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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.