Home / 1,977.33-2,966.10-1,686.86

Finding the Fourth Proportional to 1,977.33, 2,966.10 and 1,686.86

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Solution

The fourth proportional to 1,977.33, 2,966.10 and 1,686.86 is: 2,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.33 : 2,966.10 = 1,686.86 : x
  2. Step 2: Convert to fraction form
    1,977.33/2,966.10 = 1,686.86/x
  3. Step 3: Cross multiply
    1,977.33x = 2,966.10 × 1,686.86
  4. Step 4: Simplify right side
    1,977.33x = 5,003,380.62
  5. Step 5: Solve for x
    x = 5,003,380.62/1,977.33
  6. Step 6: Final answer
    x = 2,530.37

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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.