Home / 3,836.34-5,281.74-2,655.36

Finding the Fourth Proportional to 3,836.34, 5,281.74 and 2,655.36

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Solution

The fourth proportional to 3,836.34, 5,281.74 and 2,655.36 is: 3,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.34 : 5,281.74 = 2,655.36 : x
  2. Step 2: Convert to fraction form
    3,836.34/5,281.74 = 2,655.36/x
  3. Step 3: Cross multiply
    3,836.34x = 5,281.74 × 2,655.36
  4. Step 4: Simplify right side
    3,836.34x = 14,024,921.13
  5. Step 5: Solve for x
    x = 14,024,921.13/3,836.34
  6. Step 6: Final answer
    x = 3,655.81

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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.