Home / 3,825.47-5,712.31-3,036.62

Finding the Fourth Proportional to 3,825.47, 5,712.31 and 3,036.62

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Solution

The fourth proportional to 3,825.47, 5,712.31 and 3,036.62 is: 4,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.47 : 5,712.31 = 3,036.62 : x
  2. Step 2: Convert to fraction form
    3,825.47/5,712.31 = 3,036.62/x
  3. Step 3: Cross multiply
    3,825.47x = 5,712.31 × 3,036.62
  4. Step 4: Simplify right side
    3,825.47x = 17,346,114.79
  5. Step 5: Solve for x
    x = 17,346,114.79/3,825.47
  6. Step 6: Final answer
    x = 4,534.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.