Home / 2,663.58-3,997.51-1,202.86

Finding the Fourth Proportional to 2,663.58, 3,997.51 and 1,202.86

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Solution

The fourth proportional to 2,663.58, 3,997.51 and 1,202.86 is: 1,805.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.58 : 3,997.51 = 1,202.86 : x
  2. Step 2: Convert to fraction form
    2,663.58/3,997.51 = 1,202.86/x
  3. Step 3: Cross multiply
    2,663.58x = 3,997.51 × 1,202.86
  4. Step 4: Simplify right side
    2,663.58x = 4,808,444.88
  5. Step 5: Solve for x
    x = 4,808,444.88/2,663.58
  6. Step 6: Final answer
    x = 1,805.26

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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.