Home / 2,143.41-3,214.85-1,596.39

Finding the Fourth Proportional to 2,143.41, 3,214.85 and 1,596.39

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Solution

The fourth proportional to 2,143.41, 3,214.85 and 1,596.39 is: 2,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.41 : 3,214.85 = 1,596.39 : x
  2. Step 2: Convert to fraction form
    2,143.41/3,214.85 = 1,596.39/x
  3. Step 3: Cross multiply
    2,143.41x = 3,214.85 × 1,596.39
  4. Step 4: Simplify right side
    2,143.41x = 5,132,146.41
  5. Step 5: Solve for x
    x = 5,132,146.41/2,143.41
  6. Step 6: Final answer
    x = 2,394.38

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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.