Home / 3,000.89-4,499.90-1,418.29

Finding the Fourth Proportional to 3,000.89, 4,499.90 and 1,418.29

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Solution

The fourth proportional to 3,000.89, 4,499.90 and 1,418.29 is: 2,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.89 : 4,499.90 = 1,418.29 : x
  2. Step 2: Convert to fraction form
    3,000.89/4,499.90 = 1,418.29/x
  3. Step 3: Cross multiply
    3,000.89x = 4,499.90 × 1,418.29
  4. Step 4: Simplify right side
    3,000.89x = 6,382,172.80
  5. Step 5: Solve for x
    x = 6,382,172.80/3,000.89
  6. Step 6: Final answer
    x = 2,126.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.