Home / 3,826.28-5,283.02-2,645.30

Finding the Fourth Proportional to 3,826.28, 5,283.02 and 2,645.30

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Solution

The fourth proportional to 3,826.28, 5,283.02 and 2,645.30 is: 3,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.28 : 5,283.02 = 2,645.30 : x
  2. Step 2: Convert to fraction form
    3,826.28/5,283.02 = 2,645.30/x
  3. Step 3: Cross multiply
    3,826.28x = 5,283.02 × 2,645.30
  4. Step 4: Simplify right side
    3,826.28x = 13,975,172.81
  5. Step 5: Solve for x
    x = 13,975,172.81/3,826.28
  6. Step 6: Final answer
    x = 3,652.42

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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.