Home / 4,021.56-6,034.50-1,681.20

Finding the Fourth Proportional to 4,021.56, 6,034.50 and 1,681.20

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Solution

The fourth proportional to 4,021.56, 6,034.50 and 1,681.20 is: 2,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.56 : 6,034.50 = 1,681.20 : x
  2. Step 2: Convert to fraction form
    4,021.56/6,034.50 = 1,681.20/x
  3. Step 3: Cross multiply
    4,021.56x = 6,034.50 × 1,681.20
  4. Step 4: Simplify right side
    4,021.56x = 10,145,201.40
  5. Step 5: Solve for x
    x = 10,145,201.40/4,021.56
  6. Step 6: Final answer
    x = 2,522.70

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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.