Home / 3,402.72-5,106.29-1,211.48

Finding the Fourth Proportional to 3,402.72, 5,106.29 and 1,211.48

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Solution

The fourth proportional to 3,402.72, 5,106.29 and 1,211.48 is: 1,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.72 : 5,106.29 = 1,211.48 : x
  2. Step 2: Convert to fraction form
    3,402.72/5,106.29 = 1,211.48/x
  3. Step 3: Cross multiply
    3,402.72x = 5,106.29 × 1,211.48
  4. Step 4: Simplify right side
    3,402.72x = 6,186,136.62
  5. Step 5: Solve for x
    x = 6,186,136.62/3,402.72
  6. Step 6: Final answer
    x = 1,818.00

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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.