Home / 3,340.12-4,999.92-3,009.64

Finding the Fourth Proportional to 3,340.12, 4,999.92 and 3,009.64

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Solution

The fourth proportional to 3,340.12, 4,999.92 and 3,009.64 is: 4,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.12 : 4,999.92 = 3,009.64 : x
  2. Step 2: Convert to fraction form
    3,340.12/4,999.92 = 3,009.64/x
  3. Step 3: Cross multiply
    3,340.12x = 4,999.92 × 3,009.64
  4. Step 4: Simplify right side
    3,340.12x = 15,047,959.23
  5. Step 5: Solve for x
    x = 15,047,959.23/3,340.12
  6. Step 6: Final answer
    x = 4,505.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.