Home / 1,976.63-2,966.73-1,052.97

Finding the Fourth Proportional to 1,976.63, 2,966.73 and 1,052.97

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Solution

The fourth proportional to 1,976.63, 2,966.73 and 1,052.97 is: 1,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.63 : 2,966.73 = 1,052.97 : x
  2. Step 2: Convert to fraction form
    1,976.63/2,966.73 = 1,052.97/x
  3. Step 3: Cross multiply
    1,976.63x = 2,966.73 × 1,052.97
  4. Step 4: Simplify right side
    1,976.63x = 3,123,862.85
  5. Step 5: Solve for x
    x = 3,123,862.85/1,976.63
  6. Step 6: Final answer
    x = 1,580.40

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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.