Home / 2,579.16-3,871.47-1,605.95

Finding the Fourth Proportional to 2,579.16, 3,871.47 and 1,605.95

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Solution

The fourth proportional to 2,579.16, 3,871.47 and 1,605.95 is: 2,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.16 : 3,871.47 = 1,605.95 : x
  2. Step 2: Convert to fraction form
    2,579.16/3,871.47 = 1,605.95/x
  3. Step 3: Cross multiply
    2,579.16x = 3,871.47 × 1,605.95
  4. Step 4: Simplify right side
    2,579.16x = 6,217,367.89
  5. Step 5: Solve for x
    x = 6,217,367.89/2,579.16
  6. Step 6: Final answer
    x = 2,410.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.