Home / 3,038.22-4,193.79-1,779.68

Finding the Fourth Proportional to 3,038.22, 4,193.79 and 1,779.68

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Solution

The fourth proportional to 3,038.22, 4,193.79 and 1,779.68 is: 2,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.22 : 4,193.79 = 1,779.68 : x
  2. Step 2: Convert to fraction form
    3,038.22/4,193.79 = 1,779.68/x
  3. Step 3: Cross multiply
    3,038.22x = 4,193.79 × 1,779.68
  4. Step 4: Simplify right side
    3,038.22x = 7,463,606.21
  5. Step 5: Solve for x
    x = 7,463,606.21/3,038.22
  6. Step 6: Final answer
    x = 2,456.57

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1.5x scale

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.