Home / 3,313.55-4,962.51-2,878.38

Finding the Fourth Proportional to 3,313.55, 4,962.51 and 2,878.38

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Solution

The fourth proportional to 3,313.55, 4,962.51 and 2,878.38 is: 4,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.55 : 4,962.51 = 2,878.38 : x
  2. Step 2: Convert to fraction form
    3,313.55/4,962.51 = 2,878.38/x
  3. Step 3: Cross multiply
    3,313.55x = 4,962.51 × 2,878.38
  4. Step 4: Simplify right side
    3,313.55x = 14,283,989.53
  5. Step 5: Solve for x
    x = 14,283,989.53/3,313.55
  6. Step 6: Final answer
    x = 4,310.78

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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.