Home / 2,288.85-3,430.19-1,669.65

Finding the Fourth Proportional to 2,288.85, 3,430.19 and 1,669.65

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Solution

The fourth proportional to 2,288.85, 3,430.19 and 1,669.65 is: 2,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.85 : 3,430.19 = 1,669.65 : x
  2. Step 2: Convert to fraction form
    2,288.85/3,430.19 = 1,669.65/x
  3. Step 3: Cross multiply
    2,288.85x = 3,430.19 × 1,669.65
  4. Step 4: Simplify right side
    2,288.85x = 5,727,208.39
  5. Step 5: Solve for x
    x = 5,727,208.39/2,288.85
  6. Step 6: Final answer
    x = 2,502.22

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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.