Home / 3,000.67-4,140.98-1,674.23

Finding the Fourth Proportional to 3,000.67, 4,140.98 and 1,674.23

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Solution

The fourth proportional to 3,000.67, 4,140.98 and 1,674.23 is: 2,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.67 : 4,140.98 = 1,674.23 : x
  2. Step 2: Convert to fraction form
    3,000.67/4,140.98 = 1,674.23/x
  3. Step 3: Cross multiply
    3,000.67x = 4,140.98 × 1,674.23
  4. Step 4: Simplify right side
    3,000.67x = 6,932,923.87
  5. Step 5: Solve for x
    x = 6,932,923.87/3,000.67
  6. Step 6: Final answer
    x = 2,310.46

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Double scale
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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.