Home / 3,455.59-4,771.70-2,963.11

Finding the Fourth Proportional to 3,455.59, 4,771.70 and 2,963.11

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Solution

The fourth proportional to 3,455.59, 4,771.70 and 2,963.11 is: 4,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.59 : 4,771.70 = 2,963.11 : x
  2. Step 2: Convert to fraction form
    3,455.59/4,771.70 = 2,963.11/x
  3. Step 3: Cross multiply
    3,455.59x = 4,771.70 × 2,963.11
  4. Step 4: Simplify right side
    3,455.59x = 14,139,057.17
  5. Step 5: Solve for x
    x = 14,139,057.17/3,455.59
  6. Step 6: Final answer
    x = 4,091.65

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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.