Home / 1,959.55-2,703.64-1,261.33

Finding the Fourth Proportional to 1,959.55, 2,703.64 and 1,261.33

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Solution

The fourth proportional to 1,959.55, 2,703.64 and 1,261.33 is: 1,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.55 : 2,703.64 = 1,261.33 : x
  2. Step 2: Convert to fraction form
    1,959.55/2,703.64 = 1,261.33/x
  3. Step 3: Cross multiply
    1,959.55x = 2,703.64 × 1,261.33
  4. Step 4: Simplify right side
    1,959.55x = 3,410,182.24
  5. Step 5: Solve for x
    x = 3,410,182.24/1,959.55
  6. Step 6: Final answer
    x = 1,740.29

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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.