Home / 2,738.67-3,779.66-1,677.15

Finding the Fourth Proportional to 2,738.67, 3,779.66 and 1,677.15

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Solution

The fourth proportional to 2,738.67, 3,779.66 and 1,677.15 is: 2,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.67 : 3,779.66 = 1,677.15 : x
  2. Step 2: Convert to fraction form
    2,738.67/3,779.66 = 1,677.15/x
  3. Step 3: Cross multiply
    2,738.67x = 3,779.66 × 1,677.15
  4. Step 4: Simplify right side
    2,738.67x = 6,339,056.77
  5. Step 5: Solve for x
    x = 6,339,056.77/2,738.67
  6. Step 6: Final answer
    x = 2,314.65

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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.