Home / 2,830.95-4,244.60-1,186.65

Finding the Fourth Proportional to 2,830.95, 4,244.60 and 1,186.65

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Solution

The fourth proportional to 2,830.95, 4,244.60 and 1,186.65 is: 1,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.95 : 4,244.60 = 1,186.65 : x
  2. Step 2: Convert to fraction form
    2,830.95/4,244.60 = 1,186.65/x
  3. Step 3: Cross multiply
    2,830.95x = 4,244.60 × 1,186.65
  4. Step 4: Simplify right side
    2,830.95x = 5,036,857.56
  5. Step 5: Solve for x
    x = 5,036,857.56/2,830.95
  6. Step 6: Final answer
    x = 1,779.21

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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.