Home / 3,003.79-4,505.70-2,999.47

Finding the Fourth Proportional to 3,003.79, 4,505.70 and 2,999.47

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Solution

The fourth proportional to 3,003.79, 4,505.70 and 2,999.47 is: 4,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.79 : 4,505.70 = 2,999.47 : x
  2. Step 2: Convert to fraction form
    3,003.79/4,505.70 = 2,999.47/x
  3. Step 3: Cross multiply
    3,003.79x = 4,505.70 × 2,999.47
  4. Step 4: Simplify right side
    3,003.79x = 13,514,711.98
  5. Step 5: Solve for x
    x = 13,514,711.98/3,003.79
  6. Step 6: Final answer
    x = 4,499.22

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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.