Home / 3,100.62-4,646.06-2,636.49

Finding the Fourth Proportional to 3,100.62, 4,646.06 and 2,636.49

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Solution

The fourth proportional to 3,100.62, 4,646.06 and 2,636.49 is: 3,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.62 : 4,646.06 = 2,636.49 : x
  2. Step 2: Convert to fraction form
    3,100.62/4,646.06 = 2,636.49/x
  3. Step 3: Cross multiply
    3,100.62x = 4,646.06 × 2,636.49
  4. Step 4: Simplify right side
    3,100.62x = 12,249,279.90
  5. Step 5: Solve for x
    x = 12,249,279.90/3,100.62
  6. Step 6: Final answer
    x = 3,950.60

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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.