Home / 1,771.58-2,455.92-1,677.90

Finding the Fourth Proportional to 1,771.58, 2,455.92 and 1,677.90

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Solution

The fourth proportional to 1,771.58, 2,455.92 and 1,677.90 is: 2,326.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.58 : 2,455.92 = 1,677.90 : x
  2. Step 2: Convert to fraction form
    1,771.58/2,455.92 = 1,677.90/x
  3. Step 3: Cross multiply
    1,771.58x = 2,455.92 × 1,677.90
  4. Step 4: Simplify right side
    1,771.58x = 4,120,788.17
  5. Step 5: Solve for x
    x = 4,120,788.17/1,771.58
  6. Step 6: Final answer
    x = 2,326.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.