Home / 2,193.93-3,026.75-1,309.77

Finding the Fourth Proportional to 2,193.93, 3,026.75 and 1,309.77

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Solution

The fourth proportional to 2,193.93, 3,026.75 and 1,309.77 is: 1,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.93 : 3,026.75 = 1,309.77 : x
  2. Step 2: Convert to fraction form
    2,193.93/3,026.75 = 1,309.77/x
  3. Step 3: Cross multiply
    2,193.93x = 3,026.75 × 1,309.77
  4. Step 4: Simplify right side
    2,193.93x = 3,964,339.80
  5. Step 5: Solve for x
    x = 3,964,339.80/2,193.93
  6. Step 6: Final answer
    x = 1,806.96

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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.