Home / 3,013.82-4,159.07-1,687.54

Finding the Fourth Proportional to 3,013.82, 4,159.07 and 1,687.54

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Solution

The fourth proportional to 3,013.82, 4,159.07 and 1,687.54 is: 2,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.82 : 4,159.07 = 1,687.54 : x
  2. Step 2: Convert to fraction form
    3,013.82/4,159.07 = 1,687.54/x
  3. Step 3: Cross multiply
    3,013.82x = 4,159.07 × 1,687.54
  4. Step 4: Simplify right side
    3,013.82x = 7,018,596.99
  5. Step 5: Solve for x
    x = 7,018,596.99/3,013.82
  6. Step 6: Final answer
    x = 2,328.80

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1.5x scale

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.