Home / 1,704.11-2,556.09-471.65

Finding the Fourth Proportional to 1,704.11, 2,556.09 and 471.65

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Solution

The fourth proportional to 1,704.11, 2,556.09 and 471.65 is: 707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.11 : 2,556.09 = 471.65 : x
  2. Step 2: Convert to fraction form
    1,704.11/2,556.09 = 471.65/x
  3. Step 3: Cross multiply
    1,704.11x = 2,556.09 × 471.65
  4. Step 4: Simplify right side
    1,704.11x = 1,205,567.07
  5. Step 5: Solve for x
    x = 1,205,567.07/1,704.11
  6. Step 6: Final answer
    x = 707.45

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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.