Home / 2,590.16-3,879.45-2,000.84

Finding the Fourth Proportional to 2,590.16, 3,879.45 and 2,000.84

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Solution

The fourth proportional to 2,590.16, 3,879.45 and 2,000.84 is: 2,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.16 : 3,879.45 = 2,000.84 : x
  2. Step 2: Convert to fraction form
    2,590.16/3,879.45 = 2,000.84/x
  3. Step 3: Cross multiply
    2,590.16x = 3,879.45 × 2,000.84
  4. Step 4: Simplify right side
    2,590.16x = 7,762,139.34
  5. Step 5: Solve for x
    x = 7,762,139.34/2,590.16
  6. Step 6: Final answer
    x = 2,996.79

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1.5x scale

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.