Home / 3,505.20-4,835.80-3,063.12

Finding the Fourth Proportional to 3,505.20, 4,835.80 and 3,063.12

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Solution

The fourth proportional to 3,505.20, 4,835.80 and 3,063.12 is: 4,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.20 : 4,835.80 = 3,063.12 : x
  2. Step 2: Convert to fraction form
    3,505.20/4,835.80 = 3,063.12/x
  3. Step 3: Cross multiply
    3,505.20x = 4,835.80 × 3,063.12
  4. Step 4: Simplify right side
    3,505.20x = 14,812,635.70
  5. Step 5: Solve for x
    x = 14,812,635.70/3,505.20
  6. Step 6: Final answer
    x = 4,225.90

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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.