Home / 3,656.70-5,486.06-1,465.45

Finding the Fourth Proportional to 3,656.70, 5,486.06 and 1,465.45

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Solution

The fourth proportional to 3,656.70, 5,486.06 and 1,465.45 is: 2,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.70 : 5,486.06 = 1,465.45 : x
  2. Step 2: Convert to fraction form
    3,656.70/5,486.06 = 1,465.45/x
  3. Step 3: Cross multiply
    3,656.70x = 5,486.06 × 1,465.45
  4. Step 4: Simplify right side
    3,656.70x = 8,039,536.58
  5. Step 5: Solve for x
    x = 8,039,536.58/3,656.70
  6. Step 6: Final answer
    x = 2,198.58

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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.