Home / 1,959.55-2,703.99-1,173.58

Finding the Fourth Proportional to 1,959.55, 2,703.99 and 1,173.58

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Solution

The fourth proportional to 1,959.55, 2,703.99 and 1,173.58 is: 1,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.55 : 2,703.99 = 1,173.58 : x
  2. Step 2: Convert to fraction form
    1,959.55/2,703.99 = 1,173.58/x
  3. Step 3: Cross multiply
    1,959.55x = 2,703.99 × 1,173.58
  4. Step 4: Simplify right side
    1,959.55x = 3,173,348.58
  5. Step 5: Solve for x
    x = 3,173,348.58/1,959.55
  6. Step 6: Final answer
    x = 1,619.43

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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.