Home / 3,137.35-4,329.48-1,811.02

Finding the Fourth Proportional to 3,137.35, 4,329.48 and 1,811.02

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Solution

The fourth proportional to 3,137.35, 4,329.48 and 1,811.02 is: 2,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.35 : 4,329.48 = 1,811.02 : x
  2. Step 2: Convert to fraction form
    3,137.35/4,329.48 = 1,811.02/x
  3. Step 3: Cross multiply
    3,137.35x = 4,329.48 × 1,811.02
  4. Step 4: Simplify right side
    3,137.35x = 7,840,774.87
  5. Step 5: Solve for x
    x = 7,840,774.87/3,137.35
  6. Step 6: Final answer
    x = 2,499.17

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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.