Home / 1,959.39-2,703.91-1,119.96

Finding the Fourth Proportional to 1,959.39, 2,703.91 and 1,119.96

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Solution

The fourth proportional to 1,959.39, 2,703.91 and 1,119.96 is: 1,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.39 : 2,703.91 = 1,119.96 : x
  2. Step 2: Convert to fraction form
    1,959.39/2,703.91 = 1,119.96/x
  3. Step 3: Cross multiply
    1,959.39x = 2,703.91 × 1,119.96
  4. Step 4: Simplify right side
    1,959.39x = 3,028,271.04
  5. Step 5: Solve for x
    x = 3,028,271.04/1,959.39
  6. Step 6: Final answer
    x = 1,545.52

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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.