Home / 2,765.58-3,816.39-1,506.60

Finding the Fourth Proportional to 2,765.58, 3,816.39 and 1,506.60

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Solution

The fourth proportional to 2,765.58, 3,816.39 and 1,506.60 is: 2,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.58 : 3,816.39 = 1,506.60 : x
  2. Step 2: Convert to fraction form
    2,765.58/3,816.39 = 1,506.60/x
  3. Step 3: Cross multiply
    2,765.58x = 3,816.39 × 1,506.60
  4. Step 4: Simplify right side
    2,765.58x = 5,749,773.17
  5. Step 5: Solve for x
    x = 5,749,773.17/2,765.58
  6. Step 6: Final answer
    x = 2,079.05

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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.