Home / 3,246.38-4,871.39-1,298.73

Finding the Fourth Proportional to 3,246.38, 4,871.39 and 1,298.73

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Solution

The fourth proportional to 3,246.38, 4,871.39 and 1,298.73 is: 1,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.38 : 4,871.39 = 1,298.73 : x
  2. Step 2: Convert to fraction form
    3,246.38/4,871.39 = 1,298.73/x
  3. Step 3: Cross multiply
    3,246.38x = 4,871.39 × 1,298.73
  4. Step 4: Simplify right side
    3,246.38x = 6,326,639.41
  5. Step 5: Solve for x
    x = 6,326,639.41/3,246.38
  6. Step 6: Final answer
    x = 1,948.83

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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.