Home / 3,008.64-4,152.96-2,309.12

Finding the Fourth Proportional to 3,008.64, 4,152.96 and 2,309.12

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Solution

The fourth proportional to 3,008.64, 4,152.96 and 2,309.12 is: 3,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.64 : 4,152.96 = 2,309.12 : x
  2. Step 2: Convert to fraction form
    3,008.64/4,152.96 = 2,309.12/x
  3. Step 3: Cross multiply
    3,008.64x = 4,152.96 × 2,309.12
  4. Step 4: Simplify right side
    3,008.64x = 9,589,683.00
  5. Step 5: Solve for x
    x = 9,589,683.00/3,008.64
  6. Step 6: Final answer
    x = 3,187.38

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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.