Home / 2,127.55-3,184.66-1,376.06

Finding the Fourth Proportional to 2,127.55, 3,184.66 and 1,376.06

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Solution

The fourth proportional to 2,127.55, 3,184.66 and 1,376.06 is: 2,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.55 : 3,184.66 = 1,376.06 : x
  2. Step 2: Convert to fraction form
    2,127.55/3,184.66 = 1,376.06/x
  3. Step 3: Cross multiply
    2,127.55x = 3,184.66 × 1,376.06
  4. Step 4: Simplify right side
    2,127.55x = 4,382,270.44
  5. Step 5: Solve for x
    x = 4,382,270.44/2,127.55
  6. Step 6: Final answer
    x = 2,059.77

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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.