Home / 2,765.02-3,815.62-1,506.03

Finding the Fourth Proportional to 2,765.02, 3,815.62 and 1,506.03

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Solution

The fourth proportional to 2,765.02, 3,815.62 and 1,506.03 is: 2,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.02 : 3,815.62 = 1,506.03 : x
  2. Step 2: Convert to fraction form
    2,765.02/3,815.62 = 1,506.03/x
  3. Step 3: Cross multiply
    2,765.02x = 3,815.62 × 1,506.03
  4. Step 4: Simplify right side
    2,765.02x = 5,746,438.19
  5. Step 5: Solve for x
    x = 5,746,438.19/2,765.02
  6. Step 6: Final answer
    x = 2,078.26

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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.