Home / 2,697.12-4,051.26-1,657.62

Finding the Fourth Proportional to 2,697.12, 4,051.26 and 1,657.62

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Solution

The fourth proportional to 2,697.12, 4,051.26 and 1,657.62 is: 2,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.12 : 4,051.26 = 1,657.62 : x
  2. Step 2: Convert to fraction form
    2,697.12/4,051.26 = 1,657.62/x
  3. Step 3: Cross multiply
    2,697.12x = 4,051.26 × 1,657.62
  4. Step 4: Simplify right side
    2,697.12x = 6,715,449.60
  5. Step 5: Solve for x
    x = 6,715,449.60/2,697.12
  6. Step 6: Final answer
    x = 2,489.86

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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.