Home / 2,830.23-4,247.84-1,515.06

Finding the Fourth Proportional to 2,830.23, 4,247.84 and 1,515.06

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Solution

The fourth proportional to 2,830.23, 4,247.84 and 1,515.06 is: 2,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.23 : 4,247.84 = 1,515.06 : x
  2. Step 2: Convert to fraction form
    2,830.23/4,247.84 = 1,515.06/x
  3. Step 3: Cross multiply
    2,830.23x = 4,247.84 × 1,515.06
  4. Step 4: Simplify right side
    2,830.23x = 6,435,736.26
  5. Step 5: Solve for x
    x = 6,435,736.26/2,830.23
  6. Step 6: Final answer
    x = 2,273.93

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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.