Home / 2,565.90-3,849.58-2,125.06

Finding the Fourth Proportional to 2,565.90, 3,849.58 and 2,125.06

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Solution

The fourth proportional to 2,565.90, 3,849.58 and 2,125.06 is: 3,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.90 : 3,849.58 = 2,125.06 : x
  2. Step 2: Convert to fraction form
    2,565.90/3,849.58 = 2,125.06/x
  3. Step 3: Cross multiply
    2,565.90x = 3,849.58 × 2,125.06
  4. Step 4: Simplify right side
    2,565.90x = 8,180,588.47
  5. Step 5: Solve for x
    x = 8,180,588.47/2,565.90
  6. Step 6: Final answer
    x = 3,188.19

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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.