Home / 1,939.98-2,677.35-1,409.04

Finding the Fourth Proportional to 1,939.98, 2,677.35 and 1,409.04

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Solution

The fourth proportional to 1,939.98, 2,677.35 and 1,409.04 is: 1,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.98 : 2,677.35 = 1,409.04 : x
  2. Step 2: Convert to fraction form
    1,939.98/2,677.35 = 1,409.04/x
  3. Step 3: Cross multiply
    1,939.98x = 2,677.35 × 1,409.04
  4. Step 4: Simplify right side
    1,939.98x = 3,772,493.24
  5. Step 5: Solve for x
    x = 3,772,493.24/1,939.98
  6. Step 6: Final answer
    x = 1,944.60

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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.