Home / 1,376.22-1,900.26-904.44

Finding the Fourth Proportional to 1,376.22, 1,900.26 and 904.44

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Solution

The fourth proportional to 1,376.22, 1,900.26 and 904.44 is: 1,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.22 : 1,900.26 = 904.44 : x
  2. Step 2: Convert to fraction form
    1,376.22/1,900.26 = 904.44/x
  3. Step 3: Cross multiply
    1,376.22x = 1,900.26 × 904.44
  4. Step 4: Simplify right side
    1,376.22x = 1,718,671.15
  5. Step 5: Solve for x
    x = 1,718,671.15/1,376.22
  6. Step 6: Final answer
    x = 1,248.83

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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.