Home / 4,234.65-6,346.65-2,155.17

Finding the Fourth Proportional to 4,234.65, 6,346.65 and 2,155.17

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Solution

The fourth proportional to 4,234.65, 6,346.65 and 2,155.17 is: 3,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.65 : 6,346.65 = 2,155.17 : x
  2. Step 2: Convert to fraction form
    4,234.65/6,346.65 = 2,155.17/x
  3. Step 3: Cross multiply
    4,234.65x = 6,346.65 × 2,155.17
  4. Step 4: Simplify right side
    4,234.65x = 13,678,141.56
  5. Step 5: Solve for x
    x = 13,678,141.56/4,234.65
  6. Step 6: Final answer
    x = 3,230.06

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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.