Home / 1,954.42-2,697.65-1,126.26

Finding the Fourth Proportional to 1,954.42, 2,697.65 and 1,126.26

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Solution

The fourth proportional to 1,954.42, 2,697.65 and 1,126.26 is: 1,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.42 : 2,697.65 = 1,126.26 : x
  2. Step 2: Convert to fraction form
    1,954.42/2,697.65 = 1,126.26/x
  3. Step 3: Cross multiply
    1,954.42x = 2,697.65 × 1,126.26
  4. Step 4: Simplify right side
    1,954.42x = 3,038,255.29
  5. Step 5: Solve for x
    x = 3,038,255.29/1,954.42
  6. Step 6: Final answer
    x = 1,554.56

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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.