Home / 2,966.28-4,090.50-2,302.89

Finding the Fourth Proportional to 2,966.28, 4,090.50 and 2,302.89

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Solution

The fourth proportional to 2,966.28, 4,090.50 and 2,302.89 is: 3,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.28 : 4,090.50 = 2,302.89 : x
  2. Step 2: Convert to fraction form
    2,966.28/4,090.50 = 2,302.89/x
  3. Step 3: Cross multiply
    2,966.28x = 4,090.50 × 2,302.89
  4. Step 4: Simplify right side
    2,966.28x = 9,419,971.55
  5. Step 5: Solve for x
    x = 9,419,971.55/2,966.28
  6. Step 6: Final answer
    x = 3,175.69

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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.