Home / 1,972.43-2,958.64-1,852.14

Finding the Fourth Proportional to 1,972.43, 2,958.64 and 1,852.14

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Solution

The fourth proportional to 1,972.43, 2,958.64 and 1,852.14 is: 2,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.43 : 2,958.64 = 1,852.14 : x
  2. Step 2: Convert to fraction form
    1,972.43/2,958.64 = 1,852.14/x
  3. Step 3: Cross multiply
    1,972.43x = 2,958.64 × 1,852.14
  4. Step 4: Simplify right side
    1,972.43x = 5,479,810.86
  5. Step 5: Solve for x
    x = 5,479,810.86/1,972.43
  6. Step 6: Final answer
    x = 2,778.21

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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.