Home / 3,133.83-4,324.75-1,938.99

Finding the Fourth Proportional to 3,133.83, 4,324.75 and 1,938.99

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Solution

The fourth proportional to 3,133.83, 4,324.75 and 1,938.99 is: 2,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.83 : 4,324.75 = 1,938.99 : x
  2. Step 2: Convert to fraction form
    3,133.83/4,324.75 = 1,938.99/x
  3. Step 3: Cross multiply
    3,133.83x = 4,324.75 × 1,938.99
  4. Step 4: Simplify right side
    3,133.83x = 8,385,647.00
  5. Step 5: Solve for x
    x = 8,385,647.00/3,133.83
  6. Step 6: Final answer
    x = 2,675.85

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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.