Home / 2,006.12-2,762.40-1,889.22

Finding the Fourth Proportional to 2,006.12, 2,762.40 and 1,889.22

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Solution

The fourth proportional to 2,006.12, 2,762.40 and 1,889.22 is: 2,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.12 : 2,762.40 = 1,889.22 : x
  2. Step 2: Convert to fraction form
    2,006.12/2,762.40 = 1,889.22/x
  3. Step 3: Cross multiply
    2,006.12x = 2,762.40 × 1,889.22
  4. Step 4: Simplify right side
    2,006.12x = 5,218,781.33
  5. Step 5: Solve for x
    x = 5,218,781.33/2,006.12
  6. Step 6: Final answer
    x = 2,601.43

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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.