Home / 1,818.67-2,726.35-1,263.63

Finding the Fourth Proportional to 1,818.67, 2,726.35 and 1,263.63

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Solution

The fourth proportional to 1,818.67, 2,726.35 and 1,263.63 is: 1,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.67 : 2,726.35 = 1,263.63 : x
  2. Step 2: Convert to fraction form
    1,818.67/2,726.35 = 1,263.63/x
  3. Step 3: Cross multiply
    1,818.67x = 2,726.35 × 1,263.63
  4. Step 4: Simplify right side
    1,818.67x = 3,445,104.72
  5. Step 5: Solve for x
    x = 3,445,104.72/1,818.67
  6. Step 6: Final answer
    x = 1,894.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.