Home / 3,670.86-5,507.64-1,697.44

Finding the Fourth Proportional to 3,670.86, 5,507.64 and 1,697.44

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Solution

The fourth proportional to 3,670.86, 5,507.64 and 1,697.44 is: 2,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.86 : 5,507.64 = 1,697.44 : x
  2. Step 2: Convert to fraction form
    3,670.86/5,507.64 = 1,697.44/x
  3. Step 3: Cross multiply
    3,670.86x = 5,507.64 × 1,697.44
  4. Step 4: Simplify right side
    3,670.86x = 9,348,888.44
  5. Step 5: Solve for x
    x = 9,348,888.44/3,670.86
  6. Step 6: Final answer
    x = 2,546.78

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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.