Home / 1,827-2,519.70-1,127.16

Finding the Fourth Proportional to 1,827, 2,519.70 and 1,127.16

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Solution

The fourth proportional to 1,827, 2,519.70 and 1,127.16 is: 1,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827 : 2,519.70 = 1,127.16 : x
  2. Step 2: Convert to fraction form
    1,827/2,519.70 = 1,127.16/x
  3. Step 3: Cross multiply
    1,827x = 2,519.70 × 1,127.16
  4. Step 4: Simplify right side
    1,827x = 2,840,105.05
  5. Step 5: Solve for x
    x = 2,840,105.05/1,827
  6. Step 6: Final answer
    x = 1,554.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.