Home / 2,860.89-3,948.03-1,601.95

Finding the Fourth Proportional to 2,860.89, 3,948.03 and 1,601.95

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Solution

The fourth proportional to 2,860.89, 3,948.03 and 1,601.95 is: 2,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.89 : 3,948.03 = 1,601.95 : x
  2. Step 2: Convert to fraction form
    2,860.89/3,948.03 = 1,601.95/x
  3. Step 3: Cross multiply
    2,860.89x = 3,948.03 × 1,601.95
  4. Step 4: Simplify right side
    2,860.89x = 6,324,526.92
  5. Step 5: Solve for x
    x = 6,324,526.92/2,860.89
  6. Step 6: Final answer
    x = 2,210.69

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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.