Home / 2,633.90-3,953.88-1,539.05

Finding the Fourth Proportional to 2,633.90, 3,953.88 and 1,539.05

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Solution

The fourth proportional to 2,633.90, 3,953.88 and 1,539.05 is: 2,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.90 : 3,953.88 = 1,539.05 : x
  2. Step 2: Convert to fraction form
    2,633.90/3,953.88 = 1,539.05/x
  3. Step 3: Cross multiply
    2,633.90x = 3,953.88 × 1,539.05
  4. Step 4: Simplify right side
    2,633.90x = 6,085,199.24
  5. Step 5: Solve for x
    x = 6,085,199.24/2,633.90
  6. Step 6: Final answer
    x = 2,310.34

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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.