Home / 2,719.40-4,080.12-2,703.00

Finding the Fourth Proportional to 2,719.40, 4,080.12 and 2,703.00

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Solution

The fourth proportional to 2,719.40, 4,080.12 and 2,703.00 is: 4,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.40 : 4,080.12 = 2,703.00 : x
  2. Step 2: Convert to fraction form
    2,719.40/4,080.12 = 2,703.00/x
  3. Step 3: Cross multiply
    2,719.40x = 4,080.12 × 2,703.00
  4. Step 4: Simplify right side
    2,719.40x = 11,028,550.30
  5. Step 5: Solve for x
    x = 11,028,550.30/2,719.40
  6. Step 6: Final answer
    x = 4,055.51

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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.