Home / 3,246.78-4,871.54-1,298.53

Finding the Fourth Proportional to 3,246.78, 4,871.54 and 1,298.53

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Solution

The fourth proportional to 3,246.78, 4,871.54 and 1,298.53 is: 1,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.78 : 4,871.54 = 1,298.53 : x
  2. Step 2: Convert to fraction form
    3,246.78/4,871.54 = 1,298.53/x
  3. Step 3: Cross multiply
    3,246.78x = 4,871.54 × 1,298.53
  4. Step 4: Simplify right side
    3,246.78x = 6,325,850.17
  5. Step 5: Solve for x
    x = 6,325,850.17/3,246.78
  6. Step 6: Final answer
    x = 1,948.34

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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.