Home / 3,653.48-5,039.34-2,906.12

Finding the Fourth Proportional to 3,653.48, 5,039.34 and 2,906.12

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Solution

The fourth proportional to 3,653.48, 5,039.34 and 2,906.12 is: 4,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.48 : 5,039.34 = 2,906.12 : x
  2. Step 2: Convert to fraction form
    3,653.48/5,039.34 = 2,906.12/x
  3. Step 3: Cross multiply
    3,653.48x = 5,039.34 × 2,906.12
  4. Step 4: Simplify right side
    3,653.48x = 14,644,926.76
  5. Step 5: Solve for x
    x = 14,644,926.76/3,653.48
  6. Step 6: Final answer
    x = 4,008.49

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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.