Home / 3,895.34-5,842.68-1,430.06

Finding the Fourth Proportional to 3,895.34, 5,842.68 and 1,430.06

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Solution

The fourth proportional to 3,895.34, 5,842.68 and 1,430.06 is: 2,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.34 : 5,842.68 = 1,430.06 : x
  2. Step 2: Convert to fraction form
    3,895.34/5,842.68 = 1,430.06/x
  3. Step 3: Cross multiply
    3,895.34x = 5,842.68 × 1,430.06
  4. Step 4: Simplify right side
    3,895.34x = 8,355,382.96
  5. Step 5: Solve for x
    x = 8,355,382.96/3,895.34
  6. Step 6: Final answer
    x = 2,144.97

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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.