Home / 3,806.31-5,259.56-2,969.13

Finding the Fourth Proportional to 3,806.31, 5,259.56 and 2,969.13

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Solution

The fourth proportional to 3,806.31, 5,259.56 and 2,969.13 is: 4,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.31 : 5,259.56 = 2,969.13 : x
  2. Step 2: Convert to fraction form
    3,806.31/5,259.56 = 2,969.13/x
  3. Step 3: Cross multiply
    3,806.31x = 5,259.56 × 2,969.13
  4. Step 4: Simplify right side
    3,806.31x = 15,616,302.54
  5. Step 5: Solve for x
    x = 15,616,302.54/3,806.31
  6. Step 6: Final answer
    x = 4,102.74

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1.5x scale

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.