Home / 3,157.96-4,357.11-2,038.95

Finding the Fourth Proportional to 3,157.96, 4,357.11 and 2,038.95

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Solution

The fourth proportional to 3,157.96, 4,357.11 and 2,038.95 is: 2,813.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.96 : 4,357.11 = 2,038.95 : x
  2. Step 2: Convert to fraction form
    3,157.96/4,357.11 = 2,038.95/x
  3. Step 3: Cross multiply
    3,157.96x = 4,357.11 × 2,038.95
  4. Step 4: Simplify right side
    3,157.96x = 8,883,929.43
  5. Step 5: Solve for x
    x = 8,883,929.43/3,157.96
  6. Step 6: Final answer
    x = 2,813.19

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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.