Home / 2,914.43-4,021.58-1,779.53

Finding the Fourth Proportional to 2,914.43, 4,021.58 and 1,779.53

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Solution

The fourth proportional to 2,914.43, 4,021.58 and 1,779.53 is: 2,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.43 : 4,021.58 = 1,779.53 : x
  2. Step 2: Convert to fraction form
    2,914.43/4,021.58 = 1,779.53/x
  3. Step 3: Cross multiply
    2,914.43x = 4,021.58 × 1,779.53
  4. Step 4: Simplify right side
    2,914.43x = 7,156,513.36
  5. Step 5: Solve for x
    x = 7,156,513.36/2,914.43
  6. Step 6: Final answer
    x = 2,455.54

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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.