Home / 3,155.57-4,354.66-1,739.31

Finding the Fourth Proportional to 3,155.57, 4,354.66 and 1,739.31

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Solution

The fourth proportional to 3,155.57, 4,354.66 and 1,739.31 is: 2,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.57 : 4,354.66 = 1,739.31 : x
  2. Step 2: Convert to fraction form
    3,155.57/4,354.66 = 1,739.31/x
  3. Step 3: Cross multiply
    3,155.57x = 4,354.66 × 1,739.31
  4. Step 4: Simplify right side
    3,155.57x = 7,574,110.22
  5. Step 5: Solve for x
    x = 7,574,110.22/3,155.57
  6. Step 6: Final answer
    x = 2,400.24

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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.