Home / 1,972.41-2,957.63-1,150.89

Finding the Fourth Proportional to 1,972.41, 2,957.63 and 1,150.89

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Solution

The fourth proportional to 1,972.41, 2,957.63 and 1,150.89 is: 1,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.41 : 2,957.63 = 1,150.89 : x
  2. Step 2: Convert to fraction form
    1,972.41/2,957.63 = 1,150.89/x
  3. Step 3: Cross multiply
    1,972.41x = 2,957.63 × 1,150.89
  4. Step 4: Simplify right side
    1,972.41x = 3,403,906.79
  5. Step 5: Solve for x
    x = 3,403,906.79/1,972.41
  6. Step 6: Final answer
    x = 1,725.76

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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.