Home / 2,051.84-3,074.92-1,126.28

Finding the Fourth Proportional to 2,051.84, 3,074.92 and 1,126.28

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Solution

The fourth proportional to 2,051.84, 3,074.92 and 1,126.28 is: 1,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.84 : 3,074.92 = 1,126.28 : x
  2. Step 2: Convert to fraction form
    2,051.84/3,074.92 = 1,126.28/x
  3. Step 3: Cross multiply
    2,051.84x = 3,074.92 × 1,126.28
  4. Step 4: Simplify right side
    2,051.84x = 3,463,220.90
  5. Step 5: Solve for x
    x = 3,463,220.90/2,051.84
  6. Step 6: Final answer
    x = 1,687.86

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1.5x scale

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.