Home / 2,582.81-3,871.58-1,020.66

Finding the Fourth Proportional to 2,582.81, 3,871.58 and 1,020.66

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Solution

The fourth proportional to 2,582.81, 3,871.58 and 1,020.66 is: 1,529.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.81 : 3,871.58 = 1,020.66 : x
  2. Step 2: Convert to fraction form
    2,582.81/3,871.58 = 1,020.66/x
  3. Step 3: Cross multiply
    2,582.81x = 3,871.58 × 1,020.66
  4. Step 4: Simplify right side
    2,582.81x = 3,951,569.39
  5. Step 5: Solve for x
    x = 3,951,569.39/2,582.81
  6. Step 6: Final answer
    x = 1,529.95

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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.