Home / 2,905.55-4,005.78-2,310.03

Finding the Fourth Proportional to 2,905.55, 4,005.78 and 2,310.03

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Solution

The fourth proportional to 2,905.55, 4,005.78 and 2,310.03 is: 3,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.55 : 4,005.78 = 2,310.03 : x
  2. Step 2: Convert to fraction form
    2,905.55/4,005.78 = 2,310.03/x
  3. Step 3: Cross multiply
    2,905.55x = 4,005.78 × 2,310.03
  4. Step 4: Simplify right side
    2,905.55x = 9,253,471.97
  5. Step 5: Solve for x
    x = 9,253,471.97/2,905.55
  6. Step 6: Final answer
    x = 3,184.76

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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.