Home / 3,320.76-4,582.39-1,904.43

Finding the Fourth Proportional to 3,320.76, 4,582.39 and 1,904.43

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Solution

The fourth proportional to 3,320.76, 4,582.39 and 1,904.43 is: 2,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.76 : 4,582.39 = 1,904.43 : x
  2. Step 2: Convert to fraction form
    3,320.76/4,582.39 = 1,904.43/x
  3. Step 3: Cross multiply
    3,320.76x = 4,582.39 × 1,904.43
  4. Step 4: Simplify right side
    3,320.76x = 8,726,840.99
  5. Step 5: Solve for x
    x = 8,726,840.99/3,320.76
  6. Step 6: Final answer
    x = 2,627.96

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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.