Home / 3,246.40-4,860.15-2,428.30

Finding the Fourth Proportional to 3,246.40, 4,860.15 and 2,428.30

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Solution

The fourth proportional to 3,246.40, 4,860.15 and 2,428.30 is: 3,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.40 : 4,860.15 = 2,428.30 : x
  2. Step 2: Convert to fraction form
    3,246.40/4,860.15 = 2,428.30/x
  3. Step 3: Cross multiply
    3,246.40x = 4,860.15 × 2,428.30
  4. Step 4: Simplify right side
    3,246.40x = 11,801,902.25
  5. Step 5: Solve for x
    x = 11,801,902.25/3,246.40
  6. Step 6: Final answer
    x = 3,635.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.