Home / 2,431.17-3,353.14-1,635.34

Finding the Fourth Proportional to 2,431.17, 3,353.14 and 1,635.34

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Solution

The fourth proportional to 2,431.17, 3,353.14 and 1,635.34 is: 2,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.17 : 3,353.14 = 1,635.34 : x
  2. Step 2: Convert to fraction form
    2,431.17/3,353.14 = 1,635.34/x
  3. Step 3: Cross multiply
    2,431.17x = 3,353.14 × 1,635.34
  4. Step 4: Simplify right side
    2,431.17x = 5,483,523.97
  5. Step 5: Solve for x
    x = 5,483,523.97/2,431.17
  6. Step 6: Final answer
    x = 2,255.51

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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.