Home / 3,376.10-5,090.13-3,315.62

Finding the Fourth Proportional to 3,376.10, 5,090.13 and 3,315.62

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Solution

The fourth proportional to 3,376.10, 5,090.13 and 3,315.62 is: 4,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.10 : 5,090.13 = 3,315.62 : x
  2. Step 2: Convert to fraction form
    3,376.10/5,090.13 = 3,315.62/x
  3. Step 3: Cross multiply
    3,376.10x = 5,090.13 × 3,315.62
  4. Step 4: Simplify right side
    3,376.10x = 16,876,936.83
  5. Step 5: Solve for x
    x = 16,876,936.83/3,376.10
  6. Step 6: Final answer
    x = 4,998.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.