Home / 2,860.94-3,948.34-1,601.98

Finding the Fourth Proportional to 2,860.94, 3,948.34 and 1,601.98

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Solution

The fourth proportional to 2,860.94, 3,948.34 and 1,601.98 is: 2,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.94 : 3,948.34 = 1,601.98 : x
  2. Step 2: Convert to fraction form
    2,860.94/3,948.34 = 1,601.98/x
  3. Step 3: Cross multiply
    2,860.94x = 3,948.34 × 1,601.98
  4. Step 4: Simplify right side
    2,860.94x = 6,325,161.71
  5. Step 5: Solve for x
    x = 6,325,161.71/2,860.94
  6. Step 6: Final answer
    x = 2,210.87

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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.