Home / 2,864.42-3,951.75-1,669.23

Finding the Fourth Proportional to 2,864.42, 3,951.75 and 1,669.23

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Solution

The fourth proportional to 2,864.42, 3,951.75 and 1,669.23 is: 2,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.42 : 3,951.75 = 1,669.23 : x
  2. Step 2: Convert to fraction form
    2,864.42/3,951.75 = 1,669.23/x
  3. Step 3: Cross multiply
    2,864.42x = 3,951.75 × 1,669.23
  4. Step 4: Simplify right side
    2,864.42x = 6,596,379.65
  5. Step 5: Solve for x
    x = 6,596,379.65/2,864.42
  6. Step 6: Final answer
    x = 2,302.87

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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.