Home / 1,935.80-2,670.35-1,671.33

Finding the Fourth Proportional to 1,935.80, 2,670.35 and 1,671.33

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Solution

The fourth proportional to 1,935.80, 2,670.35 and 1,671.33 is: 2,305.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.80 : 2,670.35 = 1,671.33 : x
  2. Step 2: Convert to fraction form
    1,935.80/2,670.35 = 1,671.33/x
  3. Step 3: Cross multiply
    1,935.80x = 2,670.35 × 1,671.33
  4. Step 4: Simplify right side
    1,935.80x = 4,463,027.71
  5. Step 5: Solve for x
    x = 4,463,027.71/1,935.80
  6. Step 6: Final answer
    x = 2,305.53

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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.