Home / 3,396.60-4,687.25-1,904.51

Finding the Fourth Proportional to 3,396.60, 4,687.25 and 1,904.51

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Solution

The fourth proportional to 3,396.60, 4,687.25 and 1,904.51 is: 2,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.60 : 4,687.25 = 1,904.51 : x
  2. Step 2: Convert to fraction form
    3,396.60/4,687.25 = 1,904.51/x
  3. Step 3: Cross multiply
    3,396.60x = 4,687.25 × 1,904.51
  4. Step 4: Simplify right side
    3,396.60x = 8,926,921.45
  5. Step 5: Solve for x
    x = 8,926,921.45/3,396.60
  6. Step 6: Final answer
    x = 2,628.19

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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.