Home / 2,242.44-3,363.75-1,421.01

Finding the Fourth Proportional to 2,242.44, 3,363.75 and 1,421.01

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Solution

The fourth proportional to 2,242.44, 3,363.75 and 1,421.01 is: 2,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.44 : 3,363.75 = 1,421.01 : x
  2. Step 2: Convert to fraction form
    2,242.44/3,363.75 = 1,421.01/x
  3. Step 3: Cross multiply
    2,242.44x = 3,363.75 × 1,421.01
  4. Step 4: Simplify right side
    2,242.44x = 4,779,922.39
  5. Step 5: Solve for x
    x = 4,779,922.39/2,242.44
  6. Step 6: Final answer
    x = 2,131.57

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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.