Home / 3,140.11-4,710.26-1,579.26

Finding the Fourth Proportional to 3,140.11, 4,710.26 and 1,579.26

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Solution

The fourth proportional to 3,140.11, 4,710.26 and 1,579.26 is: 2,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.11 : 4,710.26 = 1,579.26 : x
  2. Step 2: Convert to fraction form
    3,140.11/4,710.26 = 1,579.26/x
  3. Step 3: Cross multiply
    3,140.11x = 4,710.26 × 1,579.26
  4. Step 4: Simplify right side
    3,140.11x = 7,438,716.72
  5. Step 5: Solve for x
    x = 7,438,716.72/3,140.11
  6. Step 6: Final answer
    x = 2,368.94

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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.