Home / 3,278.21-4,913.21-2,582.13

Finding the Fourth Proportional to 3,278.21, 4,913.21 and 2,582.13

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Solution

The fourth proportional to 3,278.21, 4,913.21 and 2,582.13 is: 3,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.21 : 4,913.21 = 2,582.13 : x
  2. Step 2: Convert to fraction form
    3,278.21/4,913.21 = 2,582.13/x
  3. Step 3: Cross multiply
    3,278.21x = 4,913.21 × 2,582.13
  4. Step 4: Simplify right side
    3,278.21x = 12,686,534.03
  5. Step 5: Solve for x
    x = 12,686,534.03/3,278.21
  6. Step 6: Final answer
    x = 3,869.95

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1.5x scale

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.