Home / 2,221.21-3,330.06-1,051.93

Finding the Fourth Proportional to 2,221.21, 3,330.06 and 1,051.93

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Solution

The fourth proportional to 2,221.21, 3,330.06 and 1,051.93 is: 1,577.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.21 : 3,330.06 = 1,051.93 : x
  2. Step 2: Convert to fraction form
    2,221.21/3,330.06 = 1,051.93/x
  3. Step 3: Cross multiply
    2,221.21x = 3,330.06 × 1,051.93
  4. Step 4: Simplify right side
    2,221.21x = 3,502,990.02
  5. Step 5: Solve for x
    x = 3,502,990.02/2,221.21
  6. Step 6: Final answer
    x = 1,577.06

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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.