Home / 3,152.41-4,729.37-1,421.03

Finding the Fourth Proportional to 3,152.41, 4,729.37 and 1,421.03

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Solution

The fourth proportional to 3,152.41, 4,729.37 and 1,421.03 is: 2,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.41 : 4,729.37 = 1,421.03 : x
  2. Step 2: Convert to fraction form
    3,152.41/4,729.37 = 1,421.03/x
  3. Step 3: Cross multiply
    3,152.41x = 4,729.37 × 1,421.03
  4. Step 4: Simplify right side
    3,152.41x = 6,720,576.65
  5. Step 5: Solve for x
    x = 6,720,576.65/3,152.41
  6. Step 6: Final answer
    x = 2,131.89

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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.