Home / 1,935.75-2,671.35-1,051.56

Finding the Fourth Proportional to 1,935.75, 2,671.35 and 1,051.56

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Solution

The fourth proportional to 1,935.75, 2,671.35 and 1,051.56 is: 1,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.75 : 2,671.35 = 1,051.56 : x
  2. Step 2: Convert to fraction form
    1,935.75/2,671.35 = 1,051.56/x
  3. Step 3: Cross multiply
    1,935.75x = 2,671.35 × 1,051.56
  4. Step 4: Simplify right side
    1,935.75x = 2,809,073.35
  5. Step 5: Solve for x
    x = 2,809,073.35/1,935.75
  6. Step 6: Final answer
    x = 1,451.16

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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.