Home / 1,727.10-2,591.37-1,380.06

Finding the Fourth Proportional to 1,727.10, 2,591.37 and 1,380.06

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Solution

The fourth proportional to 1,727.10, 2,591.37 and 1,380.06 is: 2,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.10 : 2,591.37 = 1,380.06 : x
  2. Step 2: Convert to fraction form
    1,727.10/2,591.37 = 1,380.06/x
  3. Step 3: Cross multiply
    1,727.10x = 2,591.37 × 1,380.06
  4. Step 4: Simplify right side
    1,727.10x = 3,576,246.08
  5. Step 5: Solve for x
    x = 3,576,246.08/1,727.10
  6. Step 6: Final answer
    x = 2,070.67

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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.