Home / 3,118.67-4,299.62-2,585.55

Finding the Fourth Proportional to 3,118.67, 4,299.62 and 2,585.55

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Solution

The fourth proportional to 3,118.67, 4,299.62 and 2,585.55 is: 3,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.67 : 4,299.62 = 2,585.55 : x
  2. Step 2: Convert to fraction form
    3,118.67/4,299.62 = 2,585.55/x
  3. Step 3: Cross multiply
    3,118.67x = 4,299.62 × 2,585.55
  4. Step 4: Simplify right side
    3,118.67x = 11,116,869.56
  5. Step 5: Solve for x
    x = 11,116,869.56/3,118.67
  6. Step 6: Final answer
    x = 3,564.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.