Home / 2,890.82-4,332.96-1,430.96

Finding the Fourth Proportional to 2,890.82, 4,332.96 and 1,430.96

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Solution

The fourth proportional to 2,890.82, 4,332.96 and 1,430.96 is: 2,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.82 : 4,332.96 = 1,430.96 : x
  2. Step 2: Convert to fraction form
    2,890.82/4,332.96 = 1,430.96/x
  3. Step 3: Cross multiply
    2,890.82x = 4,332.96 × 1,430.96
  4. Step 4: Simplify right side
    2,890.82x = 6,200,292.44
  5. Step 5: Solve for x
    x = 6,200,292.44/2,890.82
  6. Step 6: Final answer
    x = 2,144.82

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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.