Home / 3,428.60-4,731.55-2,103.03

Finding the Fourth Proportional to 3,428.60, 4,731.55 and 2,103.03

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Solution

The fourth proportional to 3,428.60, 4,731.55 and 2,103.03 is: 2,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.60 : 4,731.55 = 2,103.03 : x
  2. Step 2: Convert to fraction form
    3,428.60/4,731.55 = 2,103.03/x
  3. Step 3: Cross multiply
    3,428.60x = 4,731.55 × 2,103.03
  4. Step 4: Simplify right side
    3,428.60x = 9,950,586.34
  5. Step 5: Solve for x
    x = 9,950,586.34/3,428.60
  6. Step 6: Final answer
    x = 2,902.23

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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.