Home / 3,428.58-4,734.24-2,103.14

Finding the Fourth Proportional to 3,428.58, 4,734.24 and 2,103.14

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Solution

The fourth proportional to 3,428.58, 4,734.24 and 2,103.14 is: 2,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.58 : 4,734.24 = 2,103.14 : x
  2. Step 2: Convert to fraction form
    3,428.58/4,734.24 = 2,103.14/x
  3. Step 3: Cross multiply
    3,428.58x = 4,734.24 × 2,103.14
  4. Step 4: Simplify right side
    3,428.58x = 9,956,769.51
  5. Step 5: Solve for x
    x = 9,956,769.51/3,428.58
  6. Step 6: Final answer
    x = 2,904.05

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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.