Home / 1,559.14-2,338.71-404.89

Finding the Fourth Proportional to 1,559.14, 2,338.71 and 404.89

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Solution

The fourth proportional to 1,559.14, 2,338.71 and 404.89 is: 607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.14 : 2,338.71 = 404.89 : x
  2. Step 2: Convert to fraction form
    1,559.14/2,338.71 = 404.89/x
  3. Step 3: Cross multiply
    1,559.14x = 2,338.71 × 404.89
  4. Step 4: Simplify right side
    1,559.14x = 946,920.29
  5. Step 5: Solve for x
    x = 946,920.29/1,559.14
  6. Step 6: Final answer
    x = 607.34

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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.