Home / 3,378.60-4,644.57-2,904.75

Finding the Fourth Proportional to 3,378.60, 4,644.57 and 2,904.75

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Solution

The fourth proportional to 3,378.60, 4,644.57 and 2,904.75 is: 3,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.60 : 4,644.57 = 2,904.75 : x
  2. Step 2: Convert to fraction form
    3,378.60/4,644.57 = 2,904.75/x
  3. Step 3: Cross multiply
    3,378.60x = 4,644.57 × 2,904.75
  4. Step 4: Simplify right side
    3,378.60x = 13,491,314.71
  5. Step 5: Solve for x
    x = 13,491,314.71/3,378.60
  6. Step 6: Final answer
    x = 3,993.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.