Home / 1,964.39-2,943.95-1,040.58

Finding the Fourth Proportional to 1,964.39, 2,943.95 and 1,040.58

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Solution

The fourth proportional to 1,964.39, 2,943.95 and 1,040.58 is: 1,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.39 : 2,943.95 = 1,040.58 : x
  2. Step 2: Convert to fraction form
    1,964.39/2,943.95 = 1,040.58/x
  3. Step 3: Cross multiply
    1,964.39x = 2,943.95 × 1,040.58
  4. Step 4: Simplify right side
    1,964.39x = 3,063,410.29
  5. Step 5: Solve for x
    x = 3,063,410.29/1,964.39
  6. Step 6: Final answer
    x = 1,559.48

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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.