Home / 2,055.76-2,836.70-1,309.41

Finding the Fourth Proportional to 2,055.76, 2,836.70 and 1,309.41

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Solution

The fourth proportional to 2,055.76, 2,836.70 and 1,309.41 is: 1,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.76 : 2,836.70 = 1,309.41 : x
  2. Step 2: Convert to fraction form
    2,055.76/2,836.70 = 1,309.41/x
  3. Step 3: Cross multiply
    2,055.76x = 2,836.70 × 1,309.41
  4. Step 4: Simplify right side
    2,055.76x = 3,714,403.89
  5. Step 5: Solve for x
    x = 3,714,403.89/2,055.76
  6. Step 6: Final answer
    x = 1,806.83

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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.