Home / 1,976.60-2,959.63-1,743.05

Finding the Fourth Proportional to 1,976.60, 2,959.63 and 1,743.05

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Solution

The fourth proportional to 1,976.60, 2,959.63 and 1,743.05 is: 2,609.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.60 : 2,959.63 = 1,743.05 : x
  2. Step 2: Convert to fraction form
    1,976.60/2,959.63 = 1,743.05/x
  3. Step 3: Cross multiply
    1,976.60x = 2,959.63 × 1,743.05
  4. Step 4: Simplify right side
    1,976.60x = 5,158,786.11
  5. Step 5: Solve for x
    x = 5,158,786.11/1,976.60
  6. Step 6: Final answer
    x = 2,609.93

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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.