Home / 3,642.39-5,464.38-1,333.89

Finding the Fourth Proportional to 3,642.39, 5,464.38 and 1,333.89

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Solution

The fourth proportional to 3,642.39, 5,464.38 and 1,333.89 is: 2,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.39 : 5,464.38 = 1,333.89 : x
  2. Step 2: Convert to fraction form
    3,642.39/5,464.38 = 1,333.89/x
  3. Step 3: Cross multiply
    3,642.39x = 5,464.38 × 1,333.89
  4. Step 4: Simplify right side
    3,642.39x = 7,288,881.84
  5. Step 5: Solve for x
    x = 7,288,881.84/3,642.39
  6. Step 6: Final answer
    x = 2,001.13

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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.