Home / 2,719.66-4,080.21-1,159.75

Finding the Fourth Proportional to 2,719.66, 4,080.21 and 1,159.75

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Solution

The fourth proportional to 2,719.66, 4,080.21 and 1,159.75 is: 1,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.66 : 4,080.21 = 1,159.75 : x
  2. Step 2: Convert to fraction form
    2,719.66/4,080.21 = 1,159.75/x
  3. Step 3: Cross multiply
    2,719.66x = 4,080.21 × 1,159.75
  4. Step 4: Simplify right side
    2,719.66x = 4,732,024.30
  5. Step 5: Solve for x
    x = 4,732,024.30/2,719.66
  6. Step 6: Final answer
    x = 1,739.93

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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.