Home / 3,513.29-5,266.49-1,291.46

Finding the Fourth Proportional to 3,513.29, 5,266.49 and 1,291.46

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Solution

The fourth proportional to 3,513.29, 5,266.49 and 1,291.46 is: 1,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.29 : 5,266.49 = 1,291.46 : x
  2. Step 2: Convert to fraction form
    3,513.29/5,266.49 = 1,291.46/x
  3. Step 3: Cross multiply
    3,513.29x = 5,266.49 × 1,291.46
  4. Step 4: Simplify right side
    3,513.29x = 6,801,428.39
  5. Step 5: Solve for x
    x = 6,801,428.39/3,513.29
  6. Step 6: Final answer
    x = 1,935.92

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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.