Home / 3,137.59-4,709.42-1,677.77

Finding the Fourth Proportional to 3,137.59, 4,709.42 and 1,677.77

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Solution

The fourth proportional to 3,137.59, 4,709.42 and 1,677.77 is: 2,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.59 : 4,709.42 = 1,677.77 : x
  2. Step 2: Convert to fraction form
    3,137.59/4,709.42 = 1,677.77/x
  3. Step 3: Cross multiply
    3,137.59x = 4,709.42 × 1,677.77
  4. Step 4: Simplify right side
    3,137.59x = 7,901,323.59
  5. Step 5: Solve for x
    x = 7,901,323.59/3,137.59
  6. Step 6: Final answer
    x = 2,518.28

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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.