Home / 3,107.25-4,288.01-1,710

Finding the Fourth Proportional to 3,107.25, 4,288.01 and 1,710

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Solution

The fourth proportional to 3,107.25, 4,288.01 and 1,710 is: 2,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.25 : 4,288.01 = 1,710 : x
  2. Step 2: Convert to fraction form
    3,107.25/4,288.01 = 1,710/x
  3. Step 3: Cross multiply
    3,107.25x = 4,288.01 × 1,710
  4. Step 4: Simplify right side
    3,107.25x = 7,332,488.55
  5. Step 5: Solve for x
    x = 7,332,488.55/3,107.25
  6. Step 6: Final answer
    x = 2,359.80

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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.