Home / 3,270.39-4,907.74-1,953.17

Finding the Fourth Proportional to 3,270.39, 4,907.74 and 1,953.17

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Solution

The fourth proportional to 3,270.39, 4,907.74 and 1,953.17 is: 2,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.39 : 4,907.74 = 1,953.17 : x
  2. Step 2: Convert to fraction form
    3,270.39/4,907.74 = 1,953.17/x
  3. Step 3: Cross multiply
    3,270.39x = 4,907.74 × 1,953.17
  4. Step 4: Simplify right side
    3,270.39x = 9,585,650.54
  5. Step 5: Solve for x
    x = 9,585,650.54/3,270.39
  6. Step 6: Final answer
    x = 2,931.04

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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.