Home / 2,681.13-4,022.10-949.62

Finding the Fourth Proportional to 2,681.13, 4,022.10 and 949.62

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Solution

The fourth proportional to 2,681.13, 4,022.10 and 949.62 is: 1,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.13 : 4,022.10 = 949.62 : x
  2. Step 2: Convert to fraction form
    2,681.13/4,022.10 = 949.62/x
  3. Step 3: Cross multiply
    2,681.13x = 4,022.10 × 949.62
  4. Step 4: Simplify right side
    2,681.13x = 3,819,466.60
  5. Step 5: Solve for x
    x = 3,819,466.60/2,681.13
  6. Step 6: Final answer
    x = 1,424.57

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1.5x scale

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.