Home / 2,590.90-3,880.87-2,095.18

Finding the Fourth Proportional to 2,590.90, 3,880.87 and 2,095.18

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Solution

The fourth proportional to 2,590.90, 3,880.87 and 2,095.18 is: 3,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.90 : 3,880.87 = 2,095.18 : x
  2. Step 2: Convert to fraction form
    2,590.90/3,880.87 = 2,095.18/x
  3. Step 3: Cross multiply
    2,590.90x = 3,880.87 × 2,095.18
  4. Step 4: Simplify right side
    2,590.90x = 8,131,110.73
  5. Step 5: Solve for x
    x = 8,131,110.73/2,590.90
  6. Step 6: Final answer
    x = 3,138.33

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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.