Home / 2,282.67-3,427.95-2,178.78

Finding the Fourth Proportional to 2,282.67, 3,427.95 and 2,178.78

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Solution

The fourth proportional to 2,282.67, 3,427.95 and 2,178.78 is: 3,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.67 : 3,427.95 = 2,178.78 : x
  2. Step 2: Convert to fraction form
    2,282.67/3,427.95 = 2,178.78/x
  3. Step 3: Cross multiply
    2,282.67x = 3,427.95 × 2,178.78
  4. Step 4: Simplify right side
    2,282.67x = 7,468,748.90
  5. Step 5: Solve for x
    x = 7,468,748.90/2,282.67
  6. Step 6: Final answer
    x = 3,271.94

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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.