Home / 1,963.40-2,924.14-1,940.72

Finding the Fourth Proportional to 1,963.40, 2,924.14 and 1,940.72

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Solution

The fourth proportional to 1,963.40, 2,924.14 and 1,940.72 is: 2,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.40 : 2,924.14 = 1,940.72 : x
  2. Step 2: Convert to fraction form
    1,963.40/2,924.14 = 1,940.72/x
  3. Step 3: Cross multiply
    1,963.40x = 2,924.14 × 1,940.72
  4. Step 4: Simplify right side
    1,963.40x = 5,674,936.98
  5. Step 5: Solve for x
    x = 5,674,936.98/1,963.40
  6. Step 6: Final answer
    x = 2,890.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.