Home / 1,966.37-2,710.73-1,375.07

Finding the Fourth Proportional to 1,966.37, 2,710.73 and 1,375.07

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Solution

The fourth proportional to 1,966.37, 2,710.73 and 1,375.07 is: 1,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.37 : 2,710.73 = 1,375.07 : x
  2. Step 2: Convert to fraction form
    1,966.37/2,710.73 = 1,375.07/x
  3. Step 3: Cross multiply
    1,966.37x = 2,710.73 × 1,375.07
  4. Step 4: Simplify right side
    1,966.37x = 3,727,433.39
  5. Step 5: Solve for x
    x = 3,727,433.39/1,966.37
  6. Step 6: Final answer
    x = 1,895.60

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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.