Home / 1,964.18-2,711.82-1,219.23

Finding the Fourth Proportional to 1,964.18, 2,711.82 and 1,219.23

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Solution

The fourth proportional to 1,964.18, 2,711.82 and 1,219.23 is: 1,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.18 : 2,711.82 = 1,219.23 : x
  2. Step 2: Convert to fraction form
    1,964.18/2,711.82 = 1,219.23/x
  3. Step 3: Cross multiply
    1,964.18x = 2,711.82 × 1,219.23
  4. Step 4: Simplify right side
    1,964.18x = 3,306,332.30
  5. Step 5: Solve for x
    x = 3,306,332.30/1,964.18
  6. Step 6: Final answer
    x = 1,683.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.