Home / 3,091.32-4,633.72-2,117.16

Finding the Fourth Proportional to 3,091.32, 4,633.72 and 2,117.16

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Solution

The fourth proportional to 3,091.32, 4,633.72 and 2,117.16 is: 3,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.32 : 4,633.72 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    3,091.32/4,633.72 = 2,117.16/x
  3. Step 3: Cross multiply
    3,091.32x = 4,633.72 × 2,117.16
  4. Step 4: Simplify right side
    3,091.32x = 9,810,326.64
  5. Step 5: Solve for x
    x = 9,810,326.64/3,091.32
  6. Step 6: Final answer
    x = 3,173.51

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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.