Home / 2,765.28-3,816.09-1,506.35

Finding the Fourth Proportional to 2,765.28, 3,816.09 and 1,506.35

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Solution

The fourth proportional to 2,765.28, 3,816.09 and 1,506.35 is: 2,078.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.28 : 3,816.09 = 1,506.35 : x
  2. Step 2: Convert to fraction form
    2,765.28/3,816.09 = 1,506.35/x
  3. Step 3: Cross multiply
    2,765.28x = 3,816.09 × 1,506.35
  4. Step 4: Simplify right side
    2,765.28x = 5,748,367.17
  5. Step 5: Solve for x
    x = 5,748,367.17/2,765.28
  6. Step 6: Final answer
    x = 2,078.76

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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.