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Finding the Fourth Proportional to 3,300.96, 4,950.12 and 1,451.40

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Solution

The fourth proportional to 3,300.96, 4,950.12 and 1,451.40 is: 2,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.96 : 4,950.12 = 1,451.40 : x
  2. Step 2: Convert to fraction form
    3,300.96/4,950.12 = 1,451.40/x
  3. Step 3: Cross multiply
    3,300.96x = 4,950.12 × 1,451.40
  4. Step 4: Simplify right side
    3,300.96x = 7,184,604.17
  5. Step 5: Solve for x
    x = 7,184,604.17/3,300.96
  6. Step 6: Final answer
    x = 2,176.52

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1.5x scale

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.