Home / 2,055.98-3,079.08-1,313.29

Finding the Fourth Proportional to 2,055.98, 3,079.08 and 1,313.29

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Solution

The fourth proportional to 2,055.98, 3,079.08 and 1,313.29 is: 1,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.98 : 3,079.08 = 1,313.29 : x
  2. Step 2: Convert to fraction form
    2,055.98/3,079.08 = 1,313.29/x
  3. Step 3: Cross multiply
    2,055.98x = 3,079.08 × 1,313.29
  4. Step 4: Simplify right side
    2,055.98x = 4,043,723.90
  5. Step 5: Solve for x
    x = 4,043,723.90/2,055.98
  6. Step 6: Final answer
    x = 1,966.81

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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.