Home / 3,137.09-4,705.65-1,404.50

Finding the Fourth Proportional to 3,137.09, 4,705.65 and 1,404.50

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Solution

The fourth proportional to 3,137.09, 4,705.65 and 1,404.50 is: 2,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.09 : 4,705.65 = 1,404.50 : x
  2. Step 2: Convert to fraction form
    3,137.09/4,705.65 = 1,404.50/x
  3. Step 3: Cross multiply
    3,137.09x = 4,705.65 × 1,404.50
  4. Step 4: Simplify right side
    3,137.09x = 6,609,085.43
  5. Step 5: Solve for x
    x = 6,609,085.43/3,137.09
  6. Step 6: Final answer
    x = 2,106.76

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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.