Home / 1,634.58-2,255.94-1,045.26

Finding the Fourth Proportional to 1,634.58, 2,255.94 and 1,045.26

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Solution

The fourth proportional to 1,634.58, 2,255.94 and 1,045.26 is: 1,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.58 : 2,255.94 = 1,045.26 : x
  2. Step 2: Convert to fraction form
    1,634.58/2,255.94 = 1,045.26/x
  3. Step 3: Cross multiply
    1,634.58x = 2,255.94 × 1,045.26
  4. Step 4: Simplify right side
    1,634.58x = 2,358,043.84
  5. Step 5: Solve for x
    x = 2,358,043.84/1,634.58
  6. Step 6: Final answer
    x = 1,442.60

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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.