Home / 1,972.96-2,963.46-1,907.34

Finding the Fourth Proportional to 1,972.96, 2,963.46 and 1,907.34

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Solution

The fourth proportional to 1,972.96, 2,963.46 and 1,907.34 is: 2,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.96 : 2,963.46 = 1,907.34 : x
  2. Step 2: Convert to fraction form
    1,972.96/2,963.46 = 1,907.34/x
  3. Step 3: Cross multiply
    1,972.96x = 2,963.46 × 1,907.34
  4. Step 4: Simplify right side
    1,972.96x = 5,652,325.80
  5. Step 5: Solve for x
    x = 5,652,325.80/1,972.96
  6. Step 6: Final answer
    x = 2,864.90

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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.