Home / 2,681.08-4,021.74-949.96

Finding the Fourth Proportional to 2,681.08, 4,021.74 and 949.96

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Solution

The fourth proportional to 2,681.08, 4,021.74 and 949.96 is: 1,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.08 : 4,021.74 = 949.96 : x
  2. Step 2: Convert to fraction form
    2,681.08/4,021.74 = 949.96/x
  3. Step 3: Cross multiply
    2,681.08x = 4,021.74 × 949.96
  4. Step 4: Simplify right side
    2,681.08x = 3,820,492.13
  5. Step 5: Solve for x
    x = 3,820,492.13/2,681.08
  6. Step 6: Final answer
    x = 1,424.98

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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.