Home / 1,382.09-2,076.80-1,347.44

Finding the Fourth Proportional to 1,382.09, 2,076.80 and 1,347.44

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Solution

The fourth proportional to 1,382.09, 2,076.80 and 1,347.44 is: 2,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.09 : 2,076.80 = 1,347.44 : x
  2. Step 2: Convert to fraction form
    1,382.09/2,076.80 = 1,347.44/x
  3. Step 3: Cross multiply
    1,382.09x = 2,076.80 × 1,347.44
  4. Step 4: Simplify right side
    1,382.09x = 2,798,346.27
  5. Step 5: Solve for x
    x = 2,798,346.27/1,382.09
  6. Step 6: Final answer
    x = 2,024.73

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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.