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Finding the Fourth Proportional to 3,000.62, 4,140.86 and 1,674.29

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Solution

The fourth proportional to 3,000.62, 4,140.86 and 1,674.29 is: 2,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.62 : 4,140.86 = 1,674.29 : x
  2. Step 2: Convert to fraction form
    3,000.62/4,140.86 = 1,674.29/x
  3. Step 3: Cross multiply
    3,000.62x = 4,140.86 × 1,674.29
  4. Step 4: Simplify right side
    3,000.62x = 6,933,000.49
  5. Step 5: Solve for x
    x = 6,933,000.49/3,000.62
  6. Step 6: Final answer
    x = 2,310.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.