Home / 3,000.86-4,140.99-1,674.54

Finding the Fourth Proportional to 3,000.86, 4,140.99 and 1,674.54

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Solution

The fourth proportional to 3,000.86, 4,140.99 and 1,674.54 is: 2,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.86 : 4,140.99 = 1,674.54 : x
  2. Step 2: Convert to fraction form
    3,000.86/4,140.99 = 1,674.54/x
  3. Step 3: Cross multiply
    3,000.86x = 4,140.99 × 1,674.54
  4. Step 4: Simplify right side
    3,000.86x = 6,934,253.39
  5. Step 5: Solve for x
    x = 6,934,253.39/3,000.86
  6. Step 6: Final answer
    x = 2,310.76

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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.