Home / 3,246.40-4,871.56-1,298.44

Finding the Fourth Proportional to 3,246.40, 4,871.56 and 1,298.44

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Solution

The fourth proportional to 3,246.40, 4,871.56 and 1,298.44 is: 1,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.40 : 4,871.56 = 1,298.44 : x
  2. Step 2: Convert to fraction form
    3,246.40/4,871.56 = 1,298.44/x
  3. Step 3: Cross multiply
    3,246.40x = 4,871.56 × 1,298.44
  4. Step 4: Simplify right side
    3,246.40x = 6,325,428.37
  5. Step 5: Solve for x
    x = 6,325,428.37/3,246.40
  6. Step 6: Final answer
    x = 1,948.44

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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.