Home / 3,011.46-4,159.79-2,311.95

Finding the Fourth Proportional to 3,011.46, 4,159.79 and 2,311.95

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Solution

The fourth proportional to 3,011.46, 4,159.79 and 2,311.95 is: 3,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.46 : 4,159.79 = 2,311.95 : x
  2. Step 2: Convert to fraction form
    3,011.46/4,159.79 = 2,311.95/x
  3. Step 3: Cross multiply
    3,011.46x = 4,159.79 × 2,311.95
  4. Step 4: Simplify right side
    3,011.46x = 9,617,226.49
  5. Step 5: Solve for x
    x = 9,617,226.49/3,011.46
  6. Step 6: Final answer
    x = 3,193.54

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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.