Home / 3,000.75-4,141.17-1,674.60

Finding the Fourth Proportional to 3,000.75, 4,141.17 and 1,674.60

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Solution

The fourth proportional to 3,000.75, 4,141.17 and 1,674.60 is: 2,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.75 : 4,141.17 = 1,674.60 : x
  2. Step 2: Convert to fraction form
    3,000.75/4,141.17 = 1,674.60/x
  3. Step 3: Cross multiply
    3,000.75x = 4,141.17 × 1,674.60
  4. Step 4: Simplify right side
    3,000.75x = 6,934,803.28
  5. Step 5: Solve for x
    x = 6,934,803.28/3,000.75
  6. Step 6: Final answer
    x = 2,311.02

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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.