Home / 1,636.83-2,451.96-1,431.63

Finding the Fourth Proportional to 1,636.83, 2,451.96 and 1,431.63

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Solution

The fourth proportional to 1,636.83, 2,451.96 and 1,431.63 is: 2,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.83 : 2,451.96 = 1,431.63 : x
  2. Step 2: Convert to fraction form
    1,636.83/2,451.96 = 1,431.63/x
  3. Step 3: Cross multiply
    1,636.83x = 2,451.96 × 1,431.63
  4. Step 4: Simplify right side
    1,636.83x = 3,510,299.49
  5. Step 5: Solve for x
    x = 3,510,299.49/1,636.83
  6. Step 6: Final answer
    x = 2,144.57

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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.