Home / 3,174.22-4,762.47-1,419.08

Finding the Fourth Proportional to 3,174.22, 4,762.47 and 1,419.08

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Solution

The fourth proportional to 3,174.22, 4,762.47 and 1,419.08 is: 2,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.22 : 4,762.47 = 1,419.08 : x
  2. Step 2: Convert to fraction form
    3,174.22/4,762.47 = 1,419.08/x
  3. Step 3: Cross multiply
    3,174.22x = 4,762.47 × 1,419.08
  4. Step 4: Simplify right side
    3,174.22x = 6,758,302.12
  5. Step 5: Solve for x
    x = 6,758,302.12/3,174.22
  6. Step 6: Final answer
    x = 2,129.12

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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.