Home / 1,943.07-2,911.88-1,394.04

Finding the Fourth Proportional to 1,943.07, 2,911.88 and 1,394.04

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Solution

The fourth proportional to 1,943.07, 2,911.88 and 1,394.04 is: 2,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.07 : 2,911.88 = 1,394.04 : x
  2. Step 2: Convert to fraction form
    1,943.07/2,911.88 = 1,394.04/x
  3. Step 3: Cross multiply
    1,943.07x = 2,911.88 × 1,394.04
  4. Step 4: Simplify right side
    1,943.07x = 4,059,270.23
  5. Step 5: Solve for x
    x = 4,059,270.23/1,943.07
  6. Step 6: Final answer
    x = 2,089.10

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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.