Home / 2,586.06-3,878.80-2,433.78

Finding the Fourth Proportional to 2,586.06, 3,878.80 and 2,433.78

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Solution

The fourth proportional to 2,586.06, 3,878.80 and 2,433.78 is: 3,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.06 : 3,878.80 = 2,433.78 : x
  2. Step 2: Convert to fraction form
    2,586.06/3,878.80 = 2,433.78/x
  3. Step 3: Cross multiply
    2,586.06x = 3,878.80 × 2,433.78
  4. Step 4: Simplify right side
    2,586.06x = 9,440,145.86
  5. Step 5: Solve for x
    x = 9,440,145.86/2,586.06
  6. Step 6: Final answer
    x = 3,650.40

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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.