Home / 3,246.80-4,860.75-2,428.70

Finding the Fourth Proportional to 3,246.80, 4,860.75 and 2,428.70

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Solution

The fourth proportional to 3,246.80, 4,860.75 and 2,428.70 is: 3,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.80 : 4,860.75 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    3,246.80/4,860.75 = 2,428.70/x
  3. Step 3: Cross multiply
    3,246.80x = 4,860.75 × 2,428.70
  4. Step 4: Simplify right side
    3,246.80x = 11,805,303.53
  5. Step 5: Solve for x
    x = 11,805,303.53/3,246.80
  6. Step 6: Final answer
    x = 3,635.98

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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.