Home / 2,590.49-3,886.12-1,203.97

Finding the Fourth Proportional to 2,590.49, 3,886.12 and 1,203.97

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Solution

The fourth proportional to 2,590.49, 3,886.12 and 1,203.97 is: 1,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.49 : 3,886.12 = 1,203.97 : x
  2. Step 2: Convert to fraction form
    2,590.49/3,886.12 = 1,203.97/x
  3. Step 3: Cross multiply
    2,590.49x = 3,886.12 × 1,203.97
  4. Step 4: Simplify right side
    2,590.49x = 4,678,771.90
  5. Step 5: Solve for x
    x = 4,678,771.90/2,590.49
  6. Step 6: Final answer
    x = 1,806.13

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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.