Home / 2,961.56-4,086.86-1,635.19

Finding the Fourth Proportional to 2,961.56, 4,086.86 and 1,635.19

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Solution

The fourth proportional to 2,961.56, 4,086.86 and 1,635.19 is: 2,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.56 : 4,086.86 = 1,635.19 : x
  2. Step 2: Convert to fraction form
    2,961.56/4,086.86 = 1,635.19/x
  3. Step 3: Cross multiply
    2,961.56x = 4,086.86 × 1,635.19
  4. Step 4: Simplify right side
    2,961.56x = 6,682,774.21
  5. Step 5: Solve for x
    x = 6,682,774.21/2,961.56
  6. Step 6: Final answer
    x = 2,256.50

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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.