Home / 3,538.12-5,301.68-1,345.68

Finding the Fourth Proportional to 3,538.12, 5,301.68 and 1,345.68

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Solution

The fourth proportional to 3,538.12, 5,301.68 and 1,345.68 is: 2,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.12 : 5,301.68 = 1,345.68 : x
  2. Step 2: Convert to fraction form
    3,538.12/5,301.68 = 1,345.68/x
  3. Step 3: Cross multiply
    3,538.12x = 5,301.68 × 1,345.68
  4. Step 4: Simplify right side
    3,538.12x = 7,134,364.74
  5. Step 5: Solve for x
    x = 7,134,364.74/3,538.12
  6. Step 6: Final answer
    x = 2,016.43

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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.