Home / 2,104.25-3,155.29-1,333.13

Finding the Fourth Proportional to 2,104.25, 3,155.29 and 1,333.13

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Solution

The fourth proportional to 2,104.25, 3,155.29 and 1,333.13 is: 1,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.25 : 3,155.29 = 1,333.13 : x
  2. Step 2: Convert to fraction form
    2,104.25/3,155.29 = 1,333.13/x
  3. Step 3: Cross multiply
    2,104.25x = 3,155.29 × 1,333.13
  4. Step 4: Simplify right side
    2,104.25x = 4,206,392.65
  5. Step 5: Solve for x
    x = 4,206,392.65/2,104.25
  6. Step 6: Final answer
    x = 1,999.00

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1.5x scale

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.