Home / 2,850.10-3,932.81-1,654.72

Finding the Fourth Proportional to 2,850.10, 3,932.81 and 1,654.72

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Solution

The fourth proportional to 2,850.10, 3,932.81 and 1,654.72 is: 2,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.10 : 3,932.81 = 1,654.72 : x
  2. Step 2: Convert to fraction form
    2,850.10/3,932.81 = 1,654.72/x
  3. Step 3: Cross multiply
    2,850.10x = 3,932.81 × 1,654.72
  4. Step 4: Simplify right side
    2,850.10x = 6,507,699.36
  5. Step 5: Solve for x
    x = 6,507,699.36/2,850.10
  6. Step 6: Final answer
    x = 2,283.32

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1.5x scale

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.