Home / 3,582.80-4,941.84-2,919.68

Finding the Fourth Proportional to 3,582.80, 4,941.84 and 2,919.68

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Solution

The fourth proportional to 3,582.80, 4,941.84 and 2,919.68 is: 4,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.80 : 4,941.84 = 2,919.68 : x
  2. Step 2: Convert to fraction form
    3,582.80/4,941.84 = 2,919.68/x
  3. Step 3: Cross multiply
    3,582.80x = 4,941.84 × 2,919.68
  4. Step 4: Simplify right side
    3,582.80x = 14,428,591.41
  5. Step 5: Solve for x
    x = 14,428,591.41/3,582.80
  6. Step 6: Final answer
    x = 4,027.18

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1.5x scale

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.