Home / 3,505.30-4,840.23-3,131.62

Finding the Fourth Proportional to 3,505.30, 4,840.23 and 3,131.62

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Solution

The fourth proportional to 3,505.30, 4,840.23 and 3,131.62 is: 4,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.30 : 4,840.23 = 3,131.62 : x
  2. Step 2: Convert to fraction form
    3,505.30/4,840.23 = 3,131.62/x
  3. Step 3: Cross multiply
    3,505.30x = 4,840.23 × 3,131.62
  4. Step 4: Simplify right side
    3,505.30x = 15,157,761.07
  5. Step 5: Solve for x
    x = 15,157,761.07/3,505.30
  6. Step 6: Final answer
    x = 4,324.24

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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.