Home / 4,216.42-5,817.57-2,890.54

Finding the Fourth Proportional to 4,216.42, 5,817.57 and 2,890.54

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Solution

The fourth proportional to 4,216.42, 5,817.57 and 2,890.54 is: 3,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.42 : 5,817.57 = 2,890.54 : x
  2. Step 2: Convert to fraction form
    4,216.42/5,817.57 = 2,890.54/x
  3. Step 3: Cross multiply
    4,216.42x = 5,817.57 × 2,890.54
  4. Step 4: Simplify right side
    4,216.42x = 16,815,918.79
  5. Step 5: Solve for x
    x = 16,815,918.79/4,216.42
  6. Step 6: Final answer
    x = 3,988.20

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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.