Home / 2,179.07-3,000.29-1,923.30

Finding the Fourth Proportional to 2,179.07, 3,000.29 and 1,923.30

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Solution

The fourth proportional to 2,179.07, 3,000.29 and 1,923.30 is: 2,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.07 : 3,000.29 = 1,923.30 : x
  2. Step 2: Convert to fraction form
    2,179.07/3,000.29 = 1,923.30/x
  3. Step 3: Cross multiply
    2,179.07x = 3,000.29 × 1,923.30
  4. Step 4: Simplify right side
    2,179.07x = 5,770,457.76
  5. Step 5: Solve for x
    x = 5,770,457.76/2,179.07
  6. Step 6: Final answer
    x = 2,648.13

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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.