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Finding the Fourth Proportional to 3,354, 5,031 and 2,430.03

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Solution

The fourth proportional to 3,354, 5,031 and 2,430.03 is: 3,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354 : 5,031 = 2,430.03 : x
  2. Step 2: Convert to fraction form
    3,354/5,031 = 2,430.03/x
  3. Step 3: Cross multiply
    3,354x = 5,031 × 2,430.03
  4. Step 4: Simplify right side
    3,354x = 12,225,480.93
  5. Step 5: Solve for x
    x = 12,225,480.93/3,354
  6. Step 6: Final answer
    x = 3,645.05

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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.