Home / 3,646.09-5,471.99-2,543.28

Finding the Fourth Proportional to 3,646.09, 5,471.99 and 2,543.28

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Solution

The fourth proportional to 3,646.09, 5,471.99 and 2,543.28 is: 3,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.09 : 5,471.99 = 2,543.28 : x
  2. Step 2: Convert to fraction form
    3,646.09/5,471.99 = 2,543.28/x
  3. Step 3: Cross multiply
    3,646.09x = 5,471.99 × 2,543.28
  4. Step 4: Simplify right side
    3,646.09x = 13,916,802.73
  5. Step 5: Solve for x
    x = 13,916,802.73/3,646.09
  6. Step 6: Final answer
    x = 3,816.91

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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.