Home / 3,354.24-5,031.72-1,406.64

Finding the Fourth Proportional to 3,354.24, 5,031.72 and 1,406.64

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Solution

The fourth proportional to 3,354.24, 5,031.72 and 1,406.64 is: 2,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.24 : 5,031.72 = 1,406.64 : x
  2. Step 2: Convert to fraction form
    3,354.24/5,031.72 = 1,406.64/x
  3. Step 3: Cross multiply
    3,354.24x = 5,031.72 × 1,406.64
  4. Step 4: Simplify right side
    3,354.24x = 7,077,818.62
  5. Step 5: Solve for x
    x = 7,077,818.62/3,354.24
  6. Step 6: Final answer
    x = 2,110.11

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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.