Home / 3,130.56-4,314.06-2,828.52

Finding the Fourth Proportional to 3,130.56, 4,314.06 and 2,828.52

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Solution

The fourth proportional to 3,130.56, 4,314.06 and 2,828.52 is: 3,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.56 : 4,314.06 = 2,828.52 : x
  2. Step 2: Convert to fraction form
    3,130.56/4,314.06 = 2,828.52/x
  3. Step 3: Cross multiply
    3,130.56x = 4,314.06 × 2,828.52
  4. Step 4: Simplify right side
    3,130.56x = 12,202,404.99
  5. Step 5: Solve for x
    x = 12,202,404.99/3,130.56
  6. Step 6: Final answer
    x = 3,897.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.