Home / 3,185.86-4,397.04-2,007.32

Finding the Fourth Proportional to 3,185.86, 4,397.04 and 2,007.32

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Solution

The fourth proportional to 3,185.86, 4,397.04 and 2,007.32 is: 2,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.86 : 4,397.04 = 2,007.32 : x
  2. Step 2: Convert to fraction form
    3,185.86/4,397.04 = 2,007.32/x
  3. Step 3: Cross multiply
    3,185.86x = 4,397.04 × 2,007.32
  4. Step 4: Simplify right side
    3,185.86x = 8,826,266.33
  5. Step 5: Solve for x
    x = 8,826,266.33/3,185.86
  6. Step 6: Final answer
    x = 2,770.45

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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.