Home / 2,740.14-3,780.09-1,677.54

Finding the Fourth Proportional to 2,740.14, 3,780.09 and 1,677.54

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Solution

The fourth proportional to 2,740.14, 3,780.09 and 1,677.54 is: 2,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.14 : 3,780.09 = 1,677.54 : x
  2. Step 2: Convert to fraction form
    2,740.14/3,780.09 = 1,677.54/x
  3. Step 3: Cross multiply
    2,740.14x = 3,780.09 × 1,677.54
  4. Step 4: Simplify right side
    2,740.14x = 6,341,252.18
  5. Step 5: Solve for x
    x = 6,341,252.18/2,740.14
  6. Step 6: Final answer
    x = 2,314.21

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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.