Home / 2,977.13-4,109.39-1,735.37

Finding the Fourth Proportional to 2,977.13, 4,109.39 and 1,735.37

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Solution

The fourth proportional to 2,977.13, 4,109.39 and 1,735.37 is: 2,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.13 : 4,109.39 = 1,735.37 : x
  2. Step 2: Convert to fraction form
    2,977.13/4,109.39 = 1,735.37/x
  3. Step 3: Cross multiply
    2,977.13x = 4,109.39 × 1,735.37
  4. Step 4: Simplify right side
    2,977.13x = 7,131,312.12
  5. Step 5: Solve for x
    x = 7,131,312.12/2,977.13
  6. Step 6: Final answer
    x = 2,395.36

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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.