Home / 3,000.29-4,140.30-1,674.22

Finding the Fourth Proportional to 3,000.29, 4,140.30 and 1,674.22

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Solution

The fourth proportional to 3,000.29, 4,140.30 and 1,674.22 is: 2,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.29 : 4,140.30 = 1,674.22 : x
  2. Step 2: Convert to fraction form
    3,000.29/4,140.30 = 1,674.22/x
  3. Step 3: Cross multiply
    3,000.29x = 4,140.30 × 1,674.22
  4. Step 4: Simplify right side
    3,000.29x = 6,931,773.07
  5. Step 5: Solve for x
    x = 6,931,773.07/3,000.29
  6. Step 6: Final answer
    x = 2,310.37

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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.