Home / 1,584.90-2,182.68-1,234.98

Finding the Fourth Proportional to 1,584.90, 2,182.68 and 1,234.98

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Solution

The fourth proportional to 1,584.90, 2,182.68 and 1,234.98 is: 1,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.90 : 2,182.68 = 1,234.98 : x
  2. Step 2: Convert to fraction form
    1,584.90/2,182.68 = 1,234.98/x
  3. Step 3: Cross multiply
    1,584.90x = 2,182.68 × 1,234.98
  4. Step 4: Simplify right side
    1,584.90x = 2,695,566.15
  5. Step 5: Solve for x
    x = 2,695,566.15/1,584.90
  6. Step 6: Final answer
    x = 1,700.78

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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.