Home / 3,433.67-5,146.28-1,582.21

Finding the Fourth Proportional to 3,433.67, 5,146.28 and 1,582.21

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Solution

The fourth proportional to 3,433.67, 5,146.28 and 1,582.21 is: 2,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.67 : 5,146.28 = 1,582.21 : x
  2. Step 2: Convert to fraction form
    3,433.67/5,146.28 = 1,582.21/x
  3. Step 3: Cross multiply
    3,433.67x = 5,146.28 × 1,582.21
  4. Step 4: Simplify right side
    3,433.67x = 8,142,474.90
  5. Step 5: Solve for x
    x = 8,142,474.90/3,433.67
  6. Step 6: Final answer
    x = 2,371.37

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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.