Home / 2,871.60-4,286.46-2,526

Finding the Fourth Proportional to 2,871.60, 4,286.46 and 2,526

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Solution

The fourth proportional to 2,871.60, 4,286.46 and 2,526 is: 3,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.60 : 4,286.46 = 2,526 : x
  2. Step 2: Convert to fraction form
    2,871.60/4,286.46 = 2,526/x
  3. Step 3: Cross multiply
    2,871.60x = 4,286.46 × 2,526
  4. Step 4: Simplify right side
    2,871.60x = 10,827,597.96
  5. Step 5: Solve for x
    x = 10,827,597.96/2,871.60
  6. Step 6: Final answer
    x = 3,770.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.