Home / 1,650.27-2,278.44-1,276.59

Finding the Fourth Proportional to 1,650.27, 2,278.44 and 1,276.59

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Solution

The fourth proportional to 1,650.27, 2,278.44 and 1,276.59 is: 1,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.27 : 2,278.44 = 1,276.59 : x
  2. Step 2: Convert to fraction form
    1,650.27/2,278.44 = 1,276.59/x
  3. Step 3: Cross multiply
    1,650.27x = 2,278.44 × 1,276.59
  4. Step 4: Simplify right side
    1,650.27x = 2,908,633.72
  5. Step 5: Solve for x
    x = 2,908,633.72/1,650.27
  6. Step 6: Final answer
    x = 1,762.52

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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.