Home / 2,677.05-3,686.31-2,084.13

Finding the Fourth Proportional to 2,677.05, 3,686.31 and 2,084.13

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Solution

The fourth proportional to 2,677.05, 3,686.31 and 2,084.13 is: 2,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.05 : 3,686.31 = 2,084.13 : x
  2. Step 2: Convert to fraction form
    2,677.05/3,686.31 = 2,084.13/x
  3. Step 3: Cross multiply
    2,677.05x = 3,686.31 × 2,084.13
  4. Step 4: Simplify right side
    2,677.05x = 7,682,749.26
  5. Step 5: Solve for x
    x = 7,682,749.26/2,677.05
  6. Step 6: Final answer
    x = 2,869.86

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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.