Home / 2,076.71-2,866.12-1,192.49

Finding the Fourth Proportional to 2,076.71, 2,866.12 and 1,192.49

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Solution

The fourth proportional to 2,076.71, 2,866.12 and 1,192.49 is: 1,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.71 : 2,866.12 = 1,192.49 : x
  2. Step 2: Convert to fraction form
    2,076.71/2,866.12 = 1,192.49/x
  3. Step 3: Cross multiply
    2,076.71x = 2,866.12 × 1,192.49
  4. Step 4: Simplify right side
    2,076.71x = 3,417,823.62
  5. Step 5: Solve for x
    x = 3,417,823.62/2,076.71
  6. Step 6: Final answer
    x = 1,645.79

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1.5x scale

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.