Home / 3,390.33-5,080.68-1,536.87

Finding the Fourth Proportional to 3,390.33, 5,080.68 and 1,536.87

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Solution

The fourth proportional to 3,390.33, 5,080.68 and 1,536.87 is: 2,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.33 : 5,080.68 = 1,536.87 : x
  2. Step 2: Convert to fraction form
    3,390.33/5,080.68 = 1,536.87/x
  3. Step 3: Cross multiply
    3,390.33x = 5,080.68 × 1,536.87
  4. Step 4: Simplify right side
    3,390.33x = 7,808,344.67
  5. Step 5: Solve for x
    x = 7,808,344.67/3,390.33
  6. Step 6: Final answer
    x = 2,303.12

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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.