Home / 1,982.55-2,971.06-1,923.42

Finding the Fourth Proportional to 1,982.55, 2,971.06 and 1,923.42

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Solution

The fourth proportional to 1,982.55, 2,971.06 and 1,923.42 is: 2,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.55 : 2,971.06 = 1,923.42 : x
  2. Step 2: Convert to fraction form
    1,982.55/2,971.06 = 1,923.42/x
  3. Step 3: Cross multiply
    1,982.55x = 2,971.06 × 1,923.42
  4. Step 4: Simplify right side
    1,982.55x = 5,714,596.23
  5. Step 5: Solve for x
    x = 5,714,596.23/1,982.55
  6. Step 6: Final answer
    x = 2,882.45

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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.