Home / 3,101.10-4,279.47-1,703.82

Finding the Fourth Proportional to 3,101.10, 4,279.47 and 1,703.82

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Solution

The fourth proportional to 3,101.10, 4,279.47 and 1,703.82 is: 2,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.10 : 4,279.47 = 1,703.82 : x
  2. Step 2: Convert to fraction form
    3,101.10/4,279.47 = 1,703.82/x
  3. Step 3: Cross multiply
    3,101.10x = 4,279.47 × 1,703.82
  4. Step 4: Simplify right side
    3,101.10x = 7,291,446.58
  5. Step 5: Solve for x
    x = 7,291,446.58/3,101.10
  6. Step 6: Final answer
    x = 2,351.25

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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.