Home / 2,633.12-3,951.36-1,539.68

Finding the Fourth Proportional to 2,633.12, 3,951.36 and 1,539.68

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Solution

The fourth proportional to 2,633.12, 3,951.36 and 1,539.68 is: 2,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.12 : 3,951.36 = 1,539.68 : x
  2. Step 2: Convert to fraction form
    2,633.12/3,951.36 = 1,539.68/x
  3. Step 3: Cross multiply
    2,633.12x = 3,951.36 × 1,539.68
  4. Step 4: Simplify right side
    2,633.12x = 6,083,829.96
  5. Step 5: Solve for x
    x = 6,083,829.96/2,633.12
  6. Step 6: Final answer
    x = 2,310.50

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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.