Home / 3,236.16-4,465.80-1,979.32

Finding the Fourth Proportional to 3,236.16, 4,465.80 and 1,979.32

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Solution

The fourth proportional to 3,236.16, 4,465.80 and 1,979.32 is: 2,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.16 : 4,465.80 = 1,979.32 : x
  2. Step 2: Convert to fraction form
    3,236.16/4,465.80 = 1,979.32/x
  3. Step 3: Cross multiply
    3,236.16x = 4,465.80 × 1,979.32
  4. Step 4: Simplify right side
    3,236.16x = 8,839,247.26
  5. Step 5: Solve for x
    x = 8,839,247.26/3,236.16
  6. Step 6: Final answer
    x = 2,731.40

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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.