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Finding the Fourth Proportional to 2,566.79, 3,850.18 and 835.41

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Solution

The fourth proportional to 2,566.79, 3,850.18 and 835.41 is: 1,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.79 : 3,850.18 = 835.41 : x
  2. Step 2: Convert to fraction form
    2,566.79/3,850.18 = 835.41/x
  3. Step 3: Cross multiply
    2,566.79x = 3,850.18 × 835.41
  4. Step 4: Simplify right side
    2,566.79x = 3,216,478.87
  5. Step 5: Solve for x
    x = 3,216,478.87/2,566.79
  6. Step 6: Final answer
    x = 1,253.11

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1.5x scale

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.