Home / 2,890.65-4,332.33-1,429.41

Finding the Fourth Proportional to 2,890.65, 4,332.33 and 1,429.41

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Solution

The fourth proportional to 2,890.65, 4,332.33 and 1,429.41 is: 2,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.65 : 4,332.33 = 1,429.41 : x
  2. Step 2: Convert to fraction form
    2,890.65/4,332.33 = 1,429.41/x
  3. Step 3: Cross multiply
    2,890.65x = 4,332.33 × 1,429.41
  4. Step 4: Simplify right side
    2,890.65x = 6,192,675.83
  5. Step 5: Solve for x
    x = 6,192,675.83/2,890.65
  6. Step 6: Final answer
    x = 2,142.31

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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.