Home / 3,065.24-4,235.78-2,505.50

Finding the Fourth Proportional to 3,065.24, 4,235.78 and 2,505.50

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Solution

The fourth proportional to 3,065.24, 4,235.78 and 2,505.50 is: 3,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.24 : 4,235.78 = 2,505.50 : x
  2. Step 2: Convert to fraction form
    3,065.24/4,235.78 = 2,505.50/x
  3. Step 3: Cross multiply
    3,065.24x = 4,235.78 × 2,505.50
  4. Step 4: Simplify right side
    3,065.24x = 10,612,744.85
  5. Step 5: Solve for x
    x = 10,612,744.85/3,065.24
  6. Step 6: Final answer
    x = 3,462.29

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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.