Home / 2,590.68-3,886.28-835.23

Finding the Fourth Proportional to 2,590.68, 3,886.28 and 835.23

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Solution

The fourth proportional to 2,590.68, 3,886.28 and 835.23 is: 1,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.68 : 3,886.28 = 835.23 : x
  2. Step 2: Convert to fraction form
    2,590.68/3,886.28 = 835.23/x
  3. Step 3: Cross multiply
    2,590.68x = 3,886.28 × 835.23
  4. Step 4: Simplify right side
    2,590.68x = 3,245,937.64
  5. Step 5: Solve for x
    x = 3,245,937.64/2,590.68
  6. Step 6: Final answer
    x = 1,252.93

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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.