Home / 1,964.18-2,939.27-1,442.95

Finding the Fourth Proportional to 1,964.18, 2,939.27 and 1,442.95

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Solution

The fourth proportional to 1,964.18, 2,939.27 and 1,442.95 is: 2,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.18 : 2,939.27 = 1,442.95 : x
  2. Step 2: Convert to fraction form
    1,964.18/2,939.27 = 1,442.95/x
  3. Step 3: Cross multiply
    1,964.18x = 2,939.27 × 1,442.95
  4. Step 4: Simplify right side
    1,964.18x = 4,241,205.08
  5. Step 5: Solve for x
    x = 4,241,205.08/1,964.18
  6. Step 6: Final answer
    x = 2,159.27

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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.