Home / 1,559.55-2,142.58-1,263.93

Finding the Fourth Proportional to 1,559.55, 2,142.58 and 1,263.93

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Solution

The fourth proportional to 1,559.55, 2,142.58 and 1,263.93 is: 1,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.55 : 2,142.58 = 1,263.93 : x
  2. Step 2: Convert to fraction form
    1,559.55/2,142.58 = 1,263.93/x
  3. Step 3: Cross multiply
    1,559.55x = 2,142.58 × 1,263.93
  4. Step 4: Simplify right side
    1,559.55x = 2,708,067.98
  5. Step 5: Solve for x
    x = 2,708,067.98/1,559.55
  6. Step 6: Final answer
    x = 1,736.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.