Home / 2,955.03-4,079.64-1,961.65

Finding the Fourth Proportional to 2,955.03, 4,079.64 and 1,961.65

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Solution

The fourth proportional to 2,955.03, 4,079.64 and 1,961.65 is: 2,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.03 : 4,079.64 = 1,961.65 : x
  2. Step 2: Convert to fraction form
    2,955.03/4,079.64 = 1,961.65/x
  3. Step 3: Cross multiply
    2,955.03x = 4,079.64 × 1,961.65
  4. Step 4: Simplify right side
    2,955.03x = 8,002,816.00
  5. Step 5: Solve for x
    x = 8,002,816.00/2,955.03
  6. Step 6: Final answer
    x = 2,708.21

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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.