Home / 3,127.34-4,685.80-2,200.95

Finding the Fourth Proportional to 3,127.34, 4,685.80 and 2,200.95

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Solution

The fourth proportional to 3,127.34, 4,685.80 and 2,200.95 is: 3,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.34 : 4,685.80 = 2,200.95 : x
  2. Step 2: Convert to fraction form
    3,127.34/4,685.80 = 2,200.95/x
  3. Step 3: Cross multiply
    3,127.34x = 4,685.80 × 2,200.95
  4. Step 4: Simplify right side
    3,127.34x = 10,313,211.51
  5. Step 5: Solve for x
    x = 10,313,211.51/3,127.34
  6. Step 6: Final answer
    x = 3,297.76

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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.