Home / 2,962.46-4,438.78-2,657.21

Finding the Fourth Proportional to 2,962.46, 4,438.78 and 2,657.21

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Solution

The fourth proportional to 2,962.46, 4,438.78 and 2,657.21 is: 3,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.46 : 4,438.78 = 2,657.21 : x
  2. Step 2: Convert to fraction form
    2,962.46/4,438.78 = 2,657.21/x
  3. Step 3: Cross multiply
    2,962.46x = 4,438.78 × 2,657.21
  4. Step 4: Simplify right side
    2,962.46x = 11,794,770.60
  5. Step 5: Solve for x
    x = 11,794,770.60/2,962.46
  6. Step 6: Final answer
    x = 3,981.41

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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.